Answer:
The biggest and main cause of the civil war was slavery.
Explanation:
The North and the South were both extremely divided based on slavery and many other factors. The South relied on slavery to maintain growth and stability while the North opposed slavery.
Hope this helps.
B) they traveled on foot while hauling their belongings.
Southern Secession is the event or issue that historians can gain.
The leader of the legislature would be democratic
I believe it is A, constantine the great built the city etc.