Respuesta :

The one that move to american Southwest in large numbers in the 1920s to work on farms and ranches as well as in mines and factories were : Mexicans

Back then, the immigrants manage to fill American's need for the shortage of cheap labor. Increasing the total GDP of the country within the period

hope this helps
CharlieStryker
Who moved to the american southwest in large numbers in the 1920s to work on farms and ranches as well as in mines and factories?

Answer: It was the Mexicans. A large scale of immigrants from central Mexico to the Southwest United States began in the 1920’s. Mexico was exempted from the system create by the immigration act of 1924.

I hope it helps, Regards.