In 1900 many Americans considered Italians to be members of a distinct race. Today many Italian Americans celebrate their ethnicity. Using Italian Americans as an example, what does it mean to say that race is socially constructed? Then, explain how ethnicity differs from race in terms of (a) who defines it and (b) what it is based on.​

You are given the first four terms of an arithmetic sequence. why might you use a recursive formula? why might you use an explicit formula? under what conditions might a recursive formula be preferred over the explicit formula? under what conditions might an explicit formula be preferred over the recursive formula? pleasss ! sorry if it's a long question: (