Question

Which statement best describes the history of segregation in professional baseball?
It began in 1947 and continues today.
It began by 1890 and continued until 1947.
It began after 1890 and ended in the 1920s.
It was never completely segregated.

Answer 1

It began by 1890 and continued until 1947.

By the 1890s a "color line" barred Black players from organized professional (major and minor) baseball; that segregation persisted until Jackie Robinson broke the MLB color barrier in 1947.