C) Immigrants were determined by quotas after the new immigrational law passed in 1924.
<u>Explanation:</u>
Before World war- I, United States are virtually borderless as anyone can come and settle. This law was passed to protect the American roots. This law is mainly for the immigrants from the Eastern hemisphere mostly from Asian and Eastern European countries.
The quota of 2% was given for each country. The other reason for passing this Law is to protect their employment opportunities for Americans from the immigrants. Americans were Scared of another Bolshevik Kind of revolution in America.
