I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.
The Senate limited committee chairs to one six-year term.
Along with setting a term limit for Senate committee chairs in that way, they Senate also added the rule that committee members must choose the committee chairperson via secret ballot.
Committees are a very important part of how legislative work is done in both the House and the Senate.
Answer:
The case referred to in the question is Dred Scott v. Sandford.
Explanation:
Dred Scott was an eslaved man from Virginia who worked for a few years in Huntsville, Alabama. Years later he was taken by his owners to the Missouri territory.
Because the most of the Missouri territory was designated as "free", when his owners tried to take him back slave territory, Dred Scott sued them arguing that having set foot in free territory, he was now a freeman.
The Supreme Court ruled against him: it ruled that black people were not citizens and could not seek the protections and rights that the U.S. constitution granted to citizens.
The occupation, only at the second attempt of Ethiopia
I think the correct answer is intolerable acts