Slavery had been abolished in 1863, but despite this many African Americans, particularly those in the Southern states, were still suffering from prejudice and discrimination in the 1920s
Many African Americans still worked for plantation owners on their land, or as servants in their homes
Most African Americans were denied access to higher education, good jobs and the right to vote
Faced with such discrimination and poverty, many African Americans moved north
Through the 1920s the African-American population of both Chicago and New York doubled
In the North, African Americans had a better chance of getting good jobs and a good education
Many African Americans in the Northern cities lived in great poverty
In Harlem in New York they lived in poorer housing than whites, yet paid higher rents
They had poorer education and health services than whites
In Chicago African Americans suffered great prejudice from longer-established white residents
If they attempted to move out of the African-American belt to adjacent neighbourhoods, they got a hostile reception
When African Americans attempted to use parks, playgrounds and beaches in the Irish and Polish districts, they were set upon by gangs of whites calling themselves 'athletic clubs'
The result was that African-American communities in Northern areas often became isolated ghettos
Ku Klux Klan
A white supremacy movement that used violence to intimidate African Americans
The Ku Klux Klan was revived after the release of the film The Birth of a Nation in 1915
The film glorified the Klan as defenders of decent American values against renegade African Americans and corrupt white businessmen
President Wilson had it shown in the White House and said: 'It is like writing history with lightning. And my only regret is that it is all so terribly true.'
With such publicity from prominent figures, the Klan became a powerful political force in the early 1920s and subjected African Americans to vicious racist attacks
Between 1919 and 1925 over 300 African Americans were murdered by lynching
Many reports describe appalling atrocities at which whole families, including young children, clapped and cheered