During World War II Group of answer choices

labor unions substantially increased their membership.

unions actively combated racial discrimination.

for security reasons, the bracero program with Mexico was temporarily halted.

there were no strikes by any unions.

farm production declined.

Option A, labor unions substantially increased their membership, is the right answer.

Explanation:

Labor unions have played a significant role in the history of labor in the United States. Labor Unions existed in the U. S. as early as the late 1800's. Labor unions were formed to improve the working conditions, wages and benefits for workers in the U. S. The membership in such labor unions increased substantially during and after the Second World War.