It was supposed to limit presidential power because congress supposedly was worried that they were being faded out by the president. I however don’t buy into all of this because presidents are still doing anything they want and without congressional declarations of war. Lies is all we’re fed and I for one am fed up with most of them.
https://legaldictionary.net/war-powers-act/

I am not talking about the dckaration of war itself, talking about the Benghazi attack itself. They asked for protection and the Boner led house refused funds for protection instead went on a half decade propoganda effort to take down Hillary Clinton thus giving this country a bonehead in charge...