Answer:
The correct answer is D
Explanation:
The Emancipation proclamation made the Civil war about slavery and no longer about state vs the federal government, therefore, the European powers didn't want to "dirty their hands" with such involvement
hope this helped!
With the bill of rights/individual rights..same thing
Ecology is the study between humans and their physical environments
There is little to no competition. Monopolies basically dominated whatever market they were in leaving little to no room for other companies.