What lead to the u. s. economy rising and creating an age of prosperity during the 1920s?

In witch form of government do delegates speak on behalf of citizens

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: (

Why fo we have the railway to for the image of the "rugged cowbous? "