For a time, the passage of the Compromise of 1850 helped to avoid a new law regarding runaways.
a civil war between the states.
the spread of abolitionism.
the policy of popular sovereignty.

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.