To what extent was organized labor successful in improving position of workers in the period from 1875 to 1900?

The movement in organized labor from 1875 to 1900 to improve the position of workers was unsuccessful because of the inherent weaknesses of unions and the failures of their strikes, the negative public attitudes toward organized labor, widespread government corruption, and the tendency of government to side with big business.

your answer is the inherent weaknesses of unions?

the folsom i believe

missouri compromise of 1820 which prohibited slavery