Answer:
It grants citizenship to "all people born or naturalized in the United States" which included former slaves who had just been freed after the Civil War.
Answer:
To protect the city from flooding, they proposed raising the level of the entire city by picking up most of the structures in the city and filling in beneath them with sand.
It's A) the US must be a leader in innovation in order to help steer its course.
The end of the Russian Civil War was in 1922, so 4 years
Is that what you are looking for?
I believe that was B. Marcus Garvey.
The "Back to Africa" movement was created in order to inspire black people to return to their roots and their original African culture. Garvey believed that black people had a lot of difficulties in a foreign country so he wanted them to be free and feel safe at home.