Kara Sears
Martial law is the temporary substitution of civilian government with military rule and the suspension of civilian legal processes for military powers. It is usually invoked in times of war, rebellion, natural disaster, or civil unrest. The power to declare martial law typically rests with a nation's president or other top civilian leaders, such as state governors. However, the authority to declare martial law varies across different countries and legal systems. In the United States, for example, there is ambiguity regarding whether the president can unilaterally declare martial law or if it requires congressional authorization. While the Supreme Court has not provided a clear answer, it has implied that the federal government can declare martial law. On the other hand, individual states have the power to declare martial law, as long as it is authorized by their respective constitutions or laws.
| Characteristics | Values |
|---|---|
| Who can institute martial law | The US President, US Congress, State governors, or State officials |
| Where it can be instituted | In a region, state, city, or the whole country |
| When it can be instituted | In times of war, rebellion, natural disaster, civil unrest, or a coup d'état |
| What it entails | Military rule, suspension of civil liberties, curfews, and the suspension of civil legal processes |
| Limitations | Cannot suspend or violate constitutional rights, subject to judicial review |
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What You'll Learn
The US President
Martial law refers to the temporary substitution of civilian government with military authority, typically during times of war, rebellion, natural disaster, or civil unrest. It is considered a last resort when law and order are rapidly deteriorating. In the United States, martial law has been declared more than 60 times, mostly by state and local officials.
The Supreme Court has never explicitly stated whether the federal government or the President has the unilateral power to declare martial law. The Court's rulings on this matter have been inconsistent, and the legal basis for martial law remains unclear. According to the Brennan Center for Justice, the President lacks the authority to declare martial law. However, Congress might be able to authorize a presidential declaration of martial law.
On the other hand, some sources indicate that the US President does have the power to impose martial law, particularly in limited, local areas. This is based on the fact that the President is in charge of the militia and can be justified by "necessity." Additionally, the Supreme Court's 1952 ruling in Youngstown Sheet & Tube Company v. Sawyer provides a framework for analyzing exercises of executive power and could be used to determine whether a presidential declaration of martial law exceeds executive authority.
In summary, while the US President may have the power to declare martial law in certain circumstances, the exact scope and limits of their authority in this regard are unclear due to sparse and confusing legal precedents.
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State governor
In the United States, a state governor has the power to impose martial law within the borders of their state. This has been the case throughout history, with governors imposing martial law in states such as Idaho, Virginia, New York, and New Orleans. For example, in 1892, the governor of Idaho instituted martial law after serious labour unrest in the mining industry. In Virginia in 1775, Lord Dunmore, the royal governor, declared martial law to disrupt the colonial rebellion by encouraging enslaved people to join the British forces.
The imposition of martial law by a state governor is, however, subject to certain constraints. Firstly, the governor's actions under the declaration of martial law must abide by the U.S. Constitution and valid federal laws. This means that even under martial law, constitutional rights cannot be suspended or violated. Secondly, individuals can challenge a state governor's declaration of martial law by seeking injunctive relief in federal court. They can also petition for a writ of habeas corpus if they are detained by the military.
The power to declare martial law is typically reserved for situations of serious crisis or emergency, such as civil unrest, natural disasters, or war. It is a last resort to bring back stability when law and order are rapidly deteriorating. In such situations, the military assumes the responsibility of governing, replacing the civil government, and is granted the authority to make and enforce laws.
In the United States, martial law has been declared more than 60 times, mostly by state and local officials. There has never been a country-wide imposition of martial law, but it has been used in limited, local areas, such as cities and states.
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Congress
In the United States, martial law has been declared more than 60 times, mostly by state and local officials. However, the exact scope and limits of martial law are unclear, as there is no established definition or federal statute outlining its meaning. Congress has passed legislation, such as the Posse Comitatus Act, which forbids US military involvement in domestic law enforcement without congressional approval.
In addition to passing legislation, Congress has also played a role in authorising martial law through appropriations, as seen in the case of former President Andrew Jackson, who received a refund from Congress for a fine he paid after being held in contempt of court for imposing martial law in New Orleans. This refund was seen as a symbolic endorsement of his actions.
Furthermore, Congress has the power to authorise the declaration of martial law by the President. For example, in 1863, President Lincoln imposed Congressionally authorised martial law on Kentucky, Maryland, and Missouri. While the Supreme Court has not explicitly stated whether congressional authorisation is required for a presidential declaration of martial law, it has provided a framework for evaluating executive power through its ruling in Youngstown Sheet & Tube Company v. Sawyer.
In summary, Congress plays a crucial role in authorising and defining the scope of martial law in the United States, whether through legislation, appropriations, or authorisation of presidential actions.
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Supreme Court
In the United States, martial law refers to the temporary substitution of military rule for civilian government, usually in response to a national emergency, war, rebellion, or natural disaster. The Supreme Court has never explicitly stated whether the federal government has the power to declare martial law, and if so, whether this declaration must be authorised by Congress.
The Supreme Court's 1952 ruling in Youngstown Sheet & Tube Company v. Sawyer provides a framework for evaluating the extent of executive power. According to this ruling, when Congress has passed a statute on an issue, the president cannot act against the will of Congress unless the Constitution grants the president "conclusive and preclusive" power in that area. This ruling has been used to evaluate the domestic deployment of the military.
The Supreme Court has also held that individual states have the power to declare martial law, provided it is authorised by the state's constitution or laws. This power has been used far more frequently than any federal imposition of martial law. For example, in 1892, the governor of Idaho declared martial law in response to serious labour unrest in the mining industry. In another instance, the Supreme Court evaluated the legality of declaring martial law in Hawaii in the 1946 court case Duncan v. Kahanamoku. The Court held that although Hawaii was not yet a state, the legality of declaring martial law must be analysed as though it were, and the United States was responsible for the safety of Hawaiian residents.
Despite the widespread use of martial law, the legal basis for it remains unclear. The Supreme Court has implied that the federal government can declare martial law but has never explicitly stated this. The Court has also never clarified whether the president could unilaterally declare martial law or if Congress must first authorise such a declaration.
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State officials
In the United States, state officials have the power to declare martial law. This has occurred more frequently than declarations by the federal government. Nearly every state has a constitutional provision that authorises the government to impose martial law.
When martial law is in effect, the military commander of an area has unlimited authority to make and enforce laws. Many civil liberties can be suspended, such as freedom of movement, freedom of speech, and protection from unreasonable searches. Curfews may also be implemented.
Martial law has been declared by state officials in the U.S. more than 60 times, often in response to national emergencies. Examples include the governor of Idaho's declaration following labour unrest in the mining industry in 1892, and in Hawaii after the attack on Pearl Harbor. In June 1970, it was declared in Isla Vista, California, during student protests against the Vietnam War.
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Frequently asked questions
The Supreme Court has never explicitly stated whether the federal government can declare martial law. However, state officials and governors have the power to declare it, and in nearly every state, there is a constitutional provision allowing for it.
Martial law is the temporary substitution of civilian government with military rule and the suspension of civilian legal processes. It is usually invoked in times of war, rebellion, or natural disaster.
The military commander of the area or country has unlimited authority to make and enforce laws. Many civil liberties, such as freedom of movement and speech, can be suspended. Curfews may also be implemented.
