Immigration Act of 1924 http://www.u-s-history.com/pages/h1398.html National Origins Act of 1927 http://www.u-s-history.com/pages/h1398.html u-s-history.com u-s-history.com Immigration Act of 1924 Immigration Act of 1924 passed an immigration law http://www.u-s-history.com/pages/h1398.html Immigration Act of 1924 Immigration Act of 1924 National Origins Act of 1927 passed an immigration law blocked Immigration Act of 1924 passed a law http://www.u-s-history.com/pages/h1398.html u-s-history.com u-s-history.com passed a law National Origins Act of 1927 u-s-history.com http://www.u-s-history.com/pages/h1398.html Immigration Act of 1924 imposed strict quotas passed an immigration law http://www.u-s-history.com/pages/h1398.html