Which clause is independent?
a.
to the rear of the stage, alphonse was stumbling.
b.
when everyone was watching the star.
c.
although we had practiced the moves many times.
d.
while a look of dread spread over his face.

major league baseball

explanation:

jack roosevelt robinson broke the color barrier in major league baseball.as he was the first african american to play in the major leagues, jackie robinson became the target of racial abuse. jackie robinson is referring to the historic event, harlem riot.

needs an explanation