Question

San Francisco was a focus for Asian American reformers in the 1960s because it was
where many Asian immigrants opposed reform efforts.
where many Asian immigrants had entered the United States.
a location of Japanese American internment during World War II.
where the Chinese Exclusion Act had been signed.

Answer 1

where many Asian immigrants had entered the United States.

San Francisco (and nearby Angel Island) was a major port of entry and processing center for Asian immigrants, making it a central location for Asian American communities and reform activism in the 1960s.