This is a 30-60-90 right triangle, which is indicated by the fact that the hypotenuse is twice the length of the shorter leg. The 30-degree angle is opposite the shorter leg. Therefore, the angle of elevation is 30 degrees.
Answer:
slaves were freed
Explanation:
Abraham Lincoln passed the law stating all slaves were free and thus states the civil war
Answer:
Berlin Conference
Explanation:
Berlin Conference of 1884–1885 Meeting at which the major European powers negotiated and formalized claims to territory in Africa; also called the Berlin West Africa Conference.
source: oxford reference
A and C are exactly correct.
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