The emancipation proclamation: a)was widely opposed in the north. b)did not provide any military advantages for the union. c)emancipated only the slaves of the border states. d)freed the slaves of all states in rebellion.

Explanation:

The order issued by US president Abraham Lincoln after the civil war  to free slaves in ten states was known as emancipation proclamation. It was applied to the slaves in the rebel states.  Although it did not immediately freed all slaves as those states were controlled by the confederacy, however it did free more than 19000 slaves  immediately and 4 million slaves were freed with the advance of union army in the confederate states. The proclamation passively declared emancipation a goal of civil war and weakened the efforts to recognise the confederacy.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

the answer is c my brotha. c.   formed an alliance with the soviet union.