What power does the house hold in regards to impeachment?

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points.a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

The victory of andrew jackson in the presidential elections of 1828 was aided by (1) the support of eastern bankers (2) implementing woman's suffrage (3) reducing property qualification for voting (4) the endorsement of northern abolitionists

How did tyrants attempt to gain the approval of common citizens?