Trade unions differed from labor unions in that trade unions were organized by
a. skilled workers.
b. unskilled workers.
c. employers.
d. immigrants

The correct answer is A. Skilled Workers

Explanation:

Labor unions are organizations of workers that work together to achieve a goal this includes negotiation with employers to get better working conditions in terms of wages, promotions, benefits, safety, among others. However, a labor union does not train its members or asks new members to develop or have specific skills. On the other hand, trade unions are associations of skilled tradesperson or craftsmen,  as labor unions trade unions want to accomplish the interests of their members but opposite to labor unions trade unions train people and all members are skilled. Because of this, what made trade unions different from labor unions is that trade unions members are skilled workers.

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hope this

silk

indigo  

rice

all the other answers are wrong