The american expeditionary force that entered world war i was trained and commanded by which of these leaders?

The American Expeditionary Force was commanded by General John J. Pershing. This force helped the Allied forces tremendously during World War I. These US forces helped a variety of countries from 1917-1919 including countries like Great Britain, France, Italy, and Canada. This group of 2 million men served bravely and was officially disbanded as of 1920.

The Johnson-Reed Act was passed in 1924.  It restricted numbers of immigrants by contry of origin, and completely excluded migrants from Asia.