Why did so many African Americans go to Harlem between 1910 and 1930?

The Harlem Renaissance was the development of the Harlem neighborhood in New York City as a Black cultural mecca in the early 20th Century and the subsequent social and artistic explosion that resulted. Lasting roughly from the 1910s through the mid-1930s, the period is considered a golden age in African American culture, manifesting in literature, music, stage performance and art.

Explanation:

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.