The surrender of Japan in 1945 was not submitted to the Senate, but the Treaty of San Francisco, which formally ended hostilities with Japan and the Allies, settled boundaries, and set reparations in 1951, was ratified by the Senate.
This needs to be a treaty, and its needs Senate ratification to bind the United States.
Quaddifi died at the hands of the treacherous Hillary Clinton because the Senate did not ratify the agreement to denuclearize.
Her greed killed the man