How can the congressional power to investigate provide for checks and balances among the branches of government

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?

Now, use your research to decide which business is the best choice for this community. explain your choice in two to three sentences, using factual evidence to support your claim.

European expansion into africa left native regimes intact but had a strong impact on local societies what does this mean