No congress votes on that issue but the states can pressure congress into voting either way.
Congress has the power to declare war. The president of the United States is the commander of the military but cannot declare war without Congress.
The ruling government of sovereign states.
For the United States, only the US Congress has the power to declare war. That's explicit in the US consitution.
In the United States government, Congress has the power to declare war on other nations.
Congress
No such incident has ever happened. In particular, the President of the United States does not have the power to declare war. Only the Congress can declare war.
A power that is not givin to the state is the right to declare war.
Each state does not have the power to declare war. Only Congress can declare war.
Congress has the power to declare war not the President.
In what country? In the United States, only Congress may declare war.
The power to declare war is a power that belongs to Congress.
One Constitutional power specifically delegated to the federal government is the power to declare war.