What effect did john brown's raid and execution have in the north?

Under the new imperialism europe did not need large numbers of people to control territories because of

Turkey a: nato b: warsaw pact c: not a member of either alliance

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.