How was the Immigration Act of 1924 a means of fulfilling the desire of some Americans to stop the spread of “undesirables”, and why did they want them stopped?

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.

they lost control of territory in the middle east, but preserved turkey's political independence.

the colonial period, since this was a time of mass immigration from a variety of people from europe.