Answer:
c
Explanation:
this one makes the most sense. The emancipation proclamtion was after the battle of gettysburg, the confederates didnt win, france and britian helepd the union, so it has to be c.
Each branch of government controls a certain aspect of the other.
Legislative can restrict the policies of the executive and judicial.
Judicial can strike down legislation deemed unconstitutional, and undo executive decisions through rulings on their constitutionality.
Executive Orders can bypass legislative channels for more efficient decision making, and can nominate if not alter the Supreme Court along with taking part in it's processes. ( Some of this is my own interpretation. )
The main reason why OPEC imposed an oil embargo on the US is because the US supported Israel in its “Yom Kippur War” with Egypt, and OPEC was made up of states that were against Israel, who was fighting the war against Egypt.