Before the war powers resolution was enacted, the president has the full power to initiate wars without needing any approval from the congress.
President George W Bush gained his position after the war powers resolution was enacted. Because of this, Bush needs the approval from both houses of Congress for his plan to invade middle east countries.
Carter wanted to drop the atomic bomb on China when North Korea tried taking over the south of Korea. The u.S got involved in the war and pushed North Korea all the way to China