Answer:
the Emancipation Proclamation
Explanation:
After the Emancipation Proclamation, the Europeans saw the war as a conflict over slavery and honored the Union blockade.
Hope this helped!!
I believe it is horizontal and vertical integration.
It called for protection of equal privileges for all countries trading with China and for the support of Chinese territorial and administrative integrity
The answer is C, they thought it granted too much power to the national government.