You are refering to Middle Passage slave trade right?
It started around 1440. For two hundred years slave trade was monopolized by Portuguese It is hard to estimate how many people were kidnapped form Africa, but it is estimated that around 6 million were transported in eighteenth century only.
The March from Selma to Montgomery was designed to dramatize the need for the Johnson Administration to pass a Voting Rights Act.
D. The south of Italy is significantly poorer than the north
Answer:
It established the power of judicial review for the U.S. Supreme Court and lower federal courts with respect to the Constitution and eventually for parallel state courts with respect to state constitutions