As if the GOP would be anti-war. It was in fact the Dems that ended the second world war through the Atomic Bombing of Hiroshima under Harry Truman.
And let's not forget the GOP only want to end wars if it would create more problems, like Trump withdrew his soldiers from Afghanistan, to which Biden got the blame
https://www.npr.org/2021/03/04/973604904/trumps-deal-to-end-war-in-afghanistan-leaves-biden-with-a-terrible-situation