The U.S. Constitution provides that only Congress can declare war. Any military action taken in the absence of, or immediately proceeding a war declaration by Congress is unlawful under all circumstances.
Article I, Section 8 of the U.S constitution states only congress can declare war.
In the United States, only Congress has the power to declare war. This authority is granted by the Constitution to ensure that the decision to go to war is a deliberate and collective one.
The Congress
Declare what? If it's "war" you mean... the answer is Congress... The President
The different branches of government are given different powers by the Constitution. Powers to tax, declare war, grant pardons, negotiate treaties, interpret the laws, and raise armies are some of the powers granted by the Constitution.
The federal government and its agencies must act ethically during war.
To declare war
The power to declare war is granted to the U.S. Congress by the Constitution; the president serves as the Commander in Chief of the military but requires congressional approval to formally declare war. This separation of powers ensures that such a significant decision is made with input from the legislative branch, representing the will of the people.
The Constitution.
Congress
The Constitution grants Congress the sole authority to declare war.
Article II, Section 8 allows for Congress to declare war; the President to wage war.