There were several different restrictions placed on blacks due to the Jim Crow laws. The following are just a couple examples.
1) Poll taxes- This was a certain amount of money an individual would have to pay in order to vote. This negatively effected African-Americans, as many of them could not afford this tax.
2) Literacy tests- These were written tests that individuals had to pass in order to vote. These were extremely difficult to do well on, due to the wording of the question or the time given to complete the test. This targeted African-Americans, as many of them had no formal schooling as of this time period.
3) Segregated public facilities- Everything from public schools to public pools were segregated in order to keep blacks and whites away from each other.
Answer:
the trade of African Americans by boat across the Atlantic and West Indies
Explanation:
That would be productivity.
It was the year 1798 that Thomas Malthus predicted that the humanity would be met with mass starvation. His prediction was based on an assumption that human population would far exceed the means of producing food and that we just would not be able to produce enough food for everyone. But the technological advancement and the advanced farming techniques allowed us to increase productivity and thus avert this prediction.
They were known as delegates.