Most migrants to the united states during the early twentieth century came from which part of the world?

What were the three outstanding events in 1619 that had a great influence on the colonies? representative government came to america. the first slaves were brought to america. the first governor was elected. the london company sent women to america. john rolfe developed a money crop-tobacco. next question ask for

Overpopulation puts severe stress on the environment because .

Why was the united states motivated to establish the open door policy? a. the policy guaranteed american commerce with china. b. the policy supported the chinese nationalist cause. c. the policy led to a gain of american colonies in asia. d. the policy claimed damages from the chinese.