Answer:
The act also affected the Chinese who had already settled in the United States. Any Chinese who left the United States had to obtain certifications for reentry, and the Act made Chinese immigrants permanent aliens by excluding them from U.S. citizenship.
Nicknames: Chinese Exclusion Act of 1882
Enacted by: the 47th United States Congress
Effective: May 6, 1882
Acts repealed: Dec 17, 1943
Explanation:
It’s C: Japan
Because Japan and USA had a relationship between each other. And the relationship began at late 18th and early 19th ;b
I think it was free blacks, but I am not 100% sure