Question

Under the U.S. Constitution, the president may veto legislation passed by Congress, but Congress may override a president’s veto. What principle is this

Answer 1

Under the U.S. constitution the congress can override a president’s veto by taking two-third vote from each house and in this case the law can be passed without the need of president’s signature, but if the congress is not able to get two-third vote from each house than they cannot override the president’s veto and has to extant it again to the president for his signature.