The answers are A. And B.
<span>economic system with a central authority that makes the major economic decisions</span>
Industrialization in the north caused the civil war. The industrial revolution in the North, during the first few decades of the 19th century, brought about a machine age economy that relied on wage laborers, not slaves. I hope that this is the answer that you were looking for and it has helped you.
B) the gov should protect the rights of its citizens
That some countrys could take over another without having a fight
