Why was it important for Robert E. Lee to win a major battle in “The North”?

What kind os source would a historian use to get a firsthand account of a past event

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution.

Mid to high level clouds that look like layered blankets are called