C) Slaves
Slavery grew due to the rise in demand of cotton.
Most people still dont know
Answer:
C. European diseases killed many people.
Explanation:
The Natives were not immune to diseases that the outsiders brought in to their country, which led to them dying in large amount of numbers.
I believe the correct answer from the choices listed above is the second option. Pittsburg Landing fit into the Northern strategy in fighting the war by the Union wanting to gain control of the tributaries that flowed into the Mississippi River.
Hope this answers the question. Have a nice day.