Question

If the president has vetoed a bill passed by Congress, what can Congress do about it?

Appeal to the Supreme Court to override the president's veto
Encourage the American people to vote that bill into law at the next election
Override the veto with a two-thirds majority in each house
Nothing; the president has the final say

Answer 1

Override the veto with a two-thirds majority in each Congressional house (Senate and House of Representatives).

Answer 2

override the veto with majority of 2/3 vote in each house