Yes , I believe it is
According to Horace Kallen , Cultural pluralism refers to a society that contains a lot of different ethnics, but each ethnics still try to maintain their identity.
The U.S society in 1920s indeed consist of several group with different ethnicity due to the large number of immigrants that came in. But each groups tend to form their own communities in separate area rather than assimilate. This maintain the difference in their ethnic diversity.
D, it's logical. A desert cant be destroyed by humans, it's impossible.
Chinese extended families can be three-generational, two-generational with one generation of married siblings, or grandparent-headed with a parent absent, such as in the case of children of migrant farmworkers.
<h3>What's the meaning of extended family?</h3>
A nuclear family plus close relatives like grandparents, aunts, or uncles living together in the same home. Given enough room, it is possible to host even more significant populations than the extended family.
Three generations of the same family—grandparents, parents, and kids would reside together in the ideal Chinese home. The family's grandfather or oldest male served as the home's head. After the grandfather passed away, the grandchildren split up the family and built their separate homes.
Learn more about the extension of family here:
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B. <u>"a collection of tribes who began crossing the Hindu Kush into India in 1500 BCE"</u>