The abolitionists wanted to abolish slavery but the south still supported slavery and wanted to separate from those who opposed it. Also, slavery was the key to the south's economy growing.
The answer is B hoped it helps
<span>They established civilian control of the military</span>
The executive branch has changed greatly since the adoption of the Constitution. Many changes have been the result of constitutional amendments. ... Congress can affect presidential power because while the executive branch enforces the laws, Congress makes the laws in the first place.
You can read more on this topic at
https://www.encyclopedia.com/politics/legal-and-political-magazines/changes-executive-branch
I searched it up and it B.Germany