When hundreds of thousands of Mexican immigrants ones arrived in the United States. Most of them were looking for seasonal work for a higher fee than they could have in Mexico. Many remained in the country after harvesting and in the interval between working, seasons existed at the expense of social and social benefits. This has angered non-Spanish groups that have pressured the government and insisted that immigrants be sent back to Mexico. In the 1920s and 1930s, Mexicans were deported due to a decrease in demand for agricultural workers.