Why did so many early civilizations arise near river valleys? a. Rivers provided an easy route for trade. b. The seclusion of a
valley provided protection from enemies. c.Water created fertile soil and other agricultural advantages. d.Monsoons inflicted less damage away from coastal areas.
One goal of the Americanization movement during the Progressive Era was "<span>d. to make immigrants more loyal and moral citizens," since there was a fear that immigrants were damaging society. </span>
