Answer:
A
Explanation:
The books are typically written some time after the event actually happens while Journals Interviews and Pictures are all things that happen at the moment of the event.
Hope that helps
Slaves were used in the American colonies to perform labor because A. there were not enough workers.
America needed workers, but there were not enough people willing to perform such difficult jobs for basically no money at all, which is why they brought slaves who had to work for free.
Answer:
Agriculture, revolts, and trade.
Explanation:
Aksum's agriculture began to collapse because of the cutting down of trees and irregular rainfall which eroded the soil. Revolts were also taking place, especially from the North.