Most southern and eastern European immigrants arriving via New York'sEllis Island found factory jobs in Northeastern and Midwestern cities. Third-wave European immigration was slowed first by World War I and then by numerical quotas in the 1920s.
It would be "C: world war 2" in which the <span> U.S. pursued a policy of isolationism before becoming involved in hostilities, since many Americans were still disillusioned by World War I. </span><span />
The dispute started due to the border of Texas, I think