The Sino-Tibetan language family has over 400 languages, and is the second largest family next to the Indo-European. It's early languages were Sinitic (Chinese), Tibitec, Karnic, Bodo-Garo, Kuki-Chin, Meitei, Tamangic, Bai, Jingpho-Luish, and Lolo-Burmese, but has 400+ languages/major dialects being used modernly.
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i can help if you explain in the comment/response section if you tell me how you are ment to answer it. sorry if I am of no help.
Id assume racism could be one? Or the language barrier?
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Having a variety of cultures in America has benefitted everyone. Having these cultures gives everyone knowledge. As people learn new cultures they remember the best of the culture. At times when two cultures only know the bad parts of each others cultures.
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