Final answer:
The passage of the Chinese Exclusion Act reflected the effect of nativism on US immigration policy in the late 1800s.
Step-by-step explanation:
The passage of the Chinese Exclusion Act reflected the effect that nativism had on United States immigration policy in the late 1800s. Nativism refers to the favoritism towards native-born Americans and the hostility towards immigrants. The act specifically targeted Chinese laborers, which indicates the fear and opposition towards immigrants from China.
Learn more about Nativism and US immigration policy in the late 1800s