ChatterBank7 mins ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.I think that was 1870 and the female exclusion was caused more by an increase in births of chinese girls in the USA rather than immigration per se:-
https:/ /www.lc sc.org/ cms/lib /MN0100 1004/Ce ntricit y/Domai n/81/TA H%202.p df
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