President john believed that caused the civil war
1.

southern politicians
2.

northern abolitionists
3.

the rich planter elite
4.

the radical republicans in congress

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world