Byzantine empire i'm pretty sure
A foreign journalist gave the story an iternational audience.
I’m pretty sure it’s 1 and 3
If the change in values of one set doesn't affect the values of the other, then the variables are said to have "no correlation" or "zero correlation." A causal relation between two events exists if the occurrence of the first causes the other.
The Europeans treated the Africans really cruel. The Europeans were trading with the Africns but then they decided to trade the Africans as slaves.
hope this helped ;D
