The 1898 supreme court case called United States vs. Wong Kim Ark had affected enforcement of the Chinese Exclusion Act, because the court found that people born in the U.S. to Chinese parents were U.S. citizens.
Research:

Richard Peters and Early Atlanta History
38:07

SYMHC Classics: Nelson Pill Hearings
38:25

Behind the Scenes Minis: Alaska and Contraceptives
28:17