which law created quotas that made it harder for southern and eastern europeans to immigrate to the united…

which law created quotas that made it harder for southern and eastern europeans to immigrate to the united states and easier for northern europeans?\n the chinese exclusion act\n the immigration act of 1917\n the emergency quota act\n the johnson - reed immigration act
Answer
Brief Explanations:
The Johnson - Reed Immigration Act of 1924 established national - origin quotas. It restricted immigration from southern and eastern Europe and favored northern Europeans. The Chinese Exclusion Act was mainly about excluding Chinese laborers. The Immigration Act of 1917 imposed a literacy test. The Emergency Quota Act of 1921 was a precursor but the Johnson - Reed Act refined and extended the quota system with more restrictive measures for southern and eastern Europeans.
Answer:
D. the Johnson - Reed Immigration Act