Which was a major achievement of both the knights of labor and the american federation of labor during the late 1800s and early 1900s? . .
a. an end to labor strikes across the country.
b. the expansion of the labor force to include immigrants.
c. the reduction of the workday from ten to eight hours.
d. the hiring of skilled labor in factories

C

Explanation:

Edge

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

go up to your profile picture in the top right hand. click on it. then click on edit profile. there you shall see delete account