Answer:
The most historically significant triangular trade was the transatlantic slave trade which operated between Europe, Africa and the Americas from the 16th to 19th centuries. Slave ships would leave European ports (such as Bristol and Nantes) and sail to African ports loaded with goods manufactured in Europe.
Explanation:
It would be D due to the fact that this was to make it harder for immigrants to vote.
Because of the animals they where following in their groups