Many Mexicans migrated to the United States during the First World War because(A) revolution in Mexico had caused social upheaval and dislocation(B) immigration quotas for Europeans went unfilled as a...

Many Mexicans migrated to the United States during the First World War because(A) revolution in Mexico had caused social upheaval and dislocation(B) immigration quotas for Europeans went unfilled as a result of the war(C) the war in Europe had disrupted the Mexican economy(D) American Progressives generally held liberal views on the issue of racial assimilation(E) the United States government offered Mexicans land in exchange for military service