Answer:
Erosion
Explanation:
Over time it eroded into eachother causeing the plates to form upward.
Leads to competition,antagonism between nations
Answer:
Forced labor continued because It was mainly for black people. Many people at the time and still are very racist. Forced labor persisted after the Civil War because it was a crime in the south for any farm worker to search for employment from a new employer without permission from the old employer.
Explanation:
A. Bushido because all samurai had to follow the bushido code.
I think there are many factors as to why the Europeans depended more on enslaved Africans, one you mentioned is epidemics.
When the Europeans brought over disease there was a decrease in the Native American population, on top of that indentured servants were more expensive than African slaves. So when they made Africans Slaves it cost less, and unlike the Native Americans they didn't know the area that well, so they weren't as likely to escape.
I hope that helped answer your question!
