The correct answer is Harlem Renaissance.
All three individuals were incredibly important in the rebirth of African-American culture in the United States during the early 20th century.
Langston Hughes and Zora Neale Hurston were both famous writer's during this era. Langston Hughes was primarily known for his poetry, including famous poems like "I, Too" which discusses racial inequality in America. Hurston is known as a novelist who wrote books like "Their Eyes Were Watching God."
James Weldon Johnson was a famous song writer who eventually became involved with the Civil rights movement of the 1950's.