How did braceros the war effort? a) they produce new varieties of vegetables. b) they produce more automobiles. c)they introduce irrigation for agriculture. d)they meet labor shortages for industry.

The correct answer is D.

The Bracero Program was an agreement reached between the US and Mexico during WWII. There was an important labor shortage in the agricultural products industry, and this program provided almost half a million workers from Mexico to sustain the production in agricultural activities in Oregon during the war. They also helped to run the railroads for the transportation of the finished products, war materials or people.

D is correct

Explanation:

b. florence

d. milan