About the 1973 War Powers Act:
It emerged from a bipartisan coalition in Congress that was dismayed at President Nixon’s secret bombing of Cambodia and waging war without Congressional authorization.
https://theconversation.com/congress-once-fought-to-limit-a-presidents-war-powers-more-than-50-years-later-its-successors-are-less-willing-to-assert-their-authority-277435