Mexicans wanted to flee a harsh government, which is why immigration from Mexico to the United States rose between 1900 and 1950.
Migrant laborers were brought in to work on farms and railroads.
Thus Option C is correct
Authorities in California and other states established schemes to illegally deport people of Mexican heritage and secured transportation arrangements with railroads, vehicles, ships, and aircraft to facilitate the mass deportation of people from the US to Mexico.
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