Answer:
I believe that the answer is that the Red Scare had contributed to fear and hate of Immigrants.
Many apologies if this is wrong.
The chief city in Arabia for Arabian merchants is Mecca
Verb: revoke or annul (a law or congressional act).
Noun: the action of revoking or annulling a law or congressional act.
World War I (WWI) brought immigrants from various countries, but the most number of immigrants came from one country; and that country was <u>Mexico.</u><u />
I hope this helps!