As an intimidation tactic.
Think about it:
If black kids are beaten up for going to school, will they even want to go to school?
If a black man was going to go vote, but the night before, the local sheriff came by and told him he'd "cause trouble" for him and his family if he votes, will he still want to vote?
Basically, violence was used to scare black people into obeying.
Answer:yes his prediction was proven false
Explanation:
He predicted it would be hard to feed growing populations when in reality we have surpluses
That would be choice C. the index fossils.
I hope this helps you! :)