How many years did it take the continental united states to grow to its present size?

How did many americans respond to the labor strikes of 1919? a.) many felt the strikes were started by communists. b.) many were sympathetic to the demands of labor unions. c.) many thought the government should not intervene.

Why did the 24th amendment and the civil rights act succeed when other legislation had failed?

How did the results of wwi benefit the u.s.?