Answer:
Transjordan's formal independence from the UK was agreed in a treaty signed on 22 March 1946 that also provided for 'perpetual peace and friendship' between the two, while providing for continued British support for the Arab Legion and access to military facilities.
The War Powers Act was added onto the previous law known as the Gulf of Tonkin Resolution. This resolution granted the president the power to take any steps towards protecting the United States from attack. The War Powers Act later made it a law for the president to consult with congress within 48 hours of sending troops into a foreign conflict.
This is an example of checks and balances because it is intended to prevent giving the president total war power.