The success of the grape workers union showed:

a. that fruit growers did not need workers.

b. that farmworkers could not organize.

c. that boycotts could be successful.

d. that farm laborers had no friends.

C: That boycotts could be successful.

Explanation:

I Boogled it and you must trust the Boogle.

(I looked it up on Google)

have a gretastic rest of your day!! \(^u^\)

b

explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)