In the 1930s, farmers from the Midwestern Dust Bowl states, especially Oklahoma and Arkansas, began to move to California. As well as 250,000 arrived by 1940, including a third which moved into the San Joaquin Valley. That at that time had a population of 540,000 in 1930. During the 1930s, some 2.5 million <span>people left the Plains states</span>
Because chinese history was important to them and they thought it should b elaerned by people
Goals of the ally in Europe was to make the country stronger
