Answer:
it would be c
Explanation:
I THINK
oh and please mark brainlist
The main reason the US Civil War started because the Northern and Southern colonies had different views on how slavery should be handled. So they went to war to decide.
mongols were engineers they developed taxes also as they expanded there empire
The South African government decided to end apartheid because the leaders of the government decided that apartheid was bad, and wanted to fix the situation. Hope this helps