No, they can only approve war when the president asked for it
First was the war of 1812, last was WW2.
War may be declared only by CONGRESS (:
No. Congress has not declared war on anyone since 1941.
Congress
congress (novanet answer)
No, only Congress can declare war.
The last time the US Congress declared war was in WW2; December 11, 1941 on Germany & Italy.
Congress votes on going to war, so the Answer is "Legislative".
In the USA a act of war is declared by congress.
Congress not only approved the war, but declared it, because the President does not have that power.
The US Constitution provides that the congress shall declare war. The congress declared war on Germany when Woodrow Wilson was president in 1917 and when Franklin Delano Roosevelt was president in 1941.
WWII was America's last declared war. Prior to WWII, the American Civil War (aka US Civil War) was NOT a declared war. Actually, prior to WWII, the war was called the "Cold War", but was not a declared war.