Answer:
B. They are based on the idea that workers as a group have more influence on management than do individual workers acting alone.
Explanation:
A labor Union is an organized association of workers, often in a trade or profession, formed to protect and further their rights and interests as a group.
Plus I looked the question up on Brai.nly and B was the correct answer. o-o I'll drop the link below
I would say that it is a close call between B and D but I'm not quite sure on which one since I've never heard of this in Social Studies haha
<span>Trade with Asia caused the spread of the black death</span>
