A - it taught him how to lay railroad tracks with steel
I'm pretty sure it would be B, because the tensions between most groups are mainly to do with religious differences, especially relating to the belief of how many gods exist.
Answer:
"No one knew for sure how to get to the moon, how to land, or get home."
With the rise of colonies in the Americas and their need to incorporate laborers, Europeans focused their attention to Africa, and some asserted that the Transatlantic Slave Trade would make it possible for Africans to make contact with Christianity and 'civilisation'.
For this reason, religion was an important driver during slavery period, since Africans slaves, after their arrival to the Americas, were subject to different methods to make them more docile, being Christianity a crucial part.
