The leading african american scientist and mathematician in early america was

Consider the events in alfred wegener's life that led to his development of the continental drift hypothesis. review the items below and determine whether each item is (1) an observation that led alfred wegener to develop his continental drift hypothesis, or (2) evidence wegener gathered to support his proposal.

What was the primary purpose of the proclamation of 1763?

Louisiana purchase timeline can someone give me the answers, it's due tomorrow.