In 1943, Congress passed a measure to repeal the discriminatory exclusion laws against Chinese immigrants and to establish an immigration quota for China of around 105 visas per year. As such, the Chinese were both the first to be excluded in the beginning of the era of immigration restriction and the first Asians to gain entry to the United States in the era of liberalization. The repeal of this act was a decision almost wholly grounded in the exigencies of World War II, as Japanese propaganda made repeated reference to Chinese exclusion from the United States in order to weaken the ties between the United States and its ally, the Republic of China. The fact that in addition to general measures preventing Asian immigration, the Chinese were subject to their own, unique prohibition had long been a source of contention in Sino‑American relations. There was little opposition to the repeal, because the United States already had in place a number of measures to ensure that, even without the Chinese Exclusion Laws explicitly forbidding Chinese immigration, Chinese still could not enter. The Immigration Act of 1924 stated that…

Read more at: https://history.state.gov/milestones/1937-1945/chinese-exclusion-act-repeal