Between the ‘old world’ and the ‘new world’ (western and eastern hemisphere)
If the president vetoes a bill, it can still become law if congress override the president veto with A TWO-THIRD majority.
If a president refuses to sign a bill into law, the congress men can still manage to pass that bill into law, if 2/3 of them can vote in favor of the bill. That is, to pass a bill into law despite the president's objection, then it requires a two-third vote from each of the chamber.
<span>A small group of people. The idea of an oligarchy is that a select handful of people essentially form all of the power over a body of people. It's almost like a dictatorship only with a couple more people added to the top of the chain rather than just an individual. The citizens abiding under an oligarchy have no say or voting power in the process or ruling.</span>