In 1 to 2 complete sentences, explain how location was important for the world's first civilizations or settled communities.

Create a top 5 list of events related to westward expansion that affected african americans the most list of event: missouri compromise compromise of 1850 kansas nebraska act dred scott v sand ford fugitive slave act nat turners rebbelion bleeding kansas harpers ferry explain why you made your 1 on the list number order from most impact to least impact

Plz ? ? 20 points for this question ! hhjc6

Why is it useful for historians to base certain studies on the analysis of historical themes