What made the knights of labor different from unions that can before it?
a. they charged their members a yearly fee to join
b. their primary method of protest was violent
c. they were under cover fbi
d. they believed to make real change they needed to do it politically

The knight of labor believed to make real change. they needed to do it politically.

Option D.

Explanation:

The knight of labor wanted to bring about real change in the society. They wanted to remove violence. In their organisation, they accepted both skilled and unskilled labor.

The knight of labor demanded an eight hour work day. They wanted to end child and convict labor. The demand of the knight of labor was to graduate income tax and they also supported cooperatives.

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