3. How did a barrio develop in Los
Angeles during the 1920s?

The correct answer is Migrant workers from Mexico took jobs there

Explanation: In this sense it is possible to understand that immigrants played a major role in the development of some neighborhoods in the united states, immigrants helped to develop their specifies and ways of living as well as a very important fusion of culture for the country.

answer; i believe that the correct answer is (agriculture);