What is the principal difference between the geography of Central Africa and that
of the other regions?
A several natural resources
B much more rain
Cimportant coastal cities
D a major river

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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i believe your answer is mountains.

answer; criterion validity