Oligarchy, government by the few, especially despotic power exercised by a small and privileged group for corrupt or selfish purposes. Aristotle used the term oligarchia to designate the rule of the few when it was exercised not by the best but by bad men unjustly.
Answer:
The answers are A and B
Explanation:
In the case when the House and Senate disagree on the position of other on a bill, they are able to resolve that conflict by creating a conference committee, whose job is to settle their disagreement.
A senator can fill the tree to block other senators by flipbuster. It is usually used as a tactic when one or more senators are trying to block a vote on a certain bill, usually by extending the debate.
The most important holdings were Angola and Mozambique