Final answer:
Race relations in the United States in 1921 were characterized by racial segregation and discrimination.
Step-by-step explanation:
In 1921, race relations in the United States were characterized by B. Racial segregation and discrimination were prevalent. Despite efforts for racial equality, African Americans experienced widespread discrimination and racism, particularly in the South. Examples of racial tensions include the Great Migration, race riots, and the rise of the Ku Klux Klan. While opportunities for jobs and education drew African Americans to the Northern cities, racism and prejudice were still prominent.