Answer:
Economic and social differences between the North and the South.
States versus federal rights.
The fight between Slave and Non-Slave State Proponents.
Explanation:
Answer:
Colonization ruptured many ecosystems, bringing in new organisms while eliminating others. The Europeans brought many diseases with them that decimated Native American populations. Colonists and Native Americans alike looked to new plants as possible medicinal resources.
Explanation:
Just take 12*5 to get the answer 60.
Because they needed to be diverted to the war effort
