What technology brought about the end of the open range and large cattle drives in the american west? a. automobiles b. gatling guns c. railroads d. barbed wire

In keeping their culture unchanged what do canadians fear the most?

Do you think the fascist nations of the axis powers could have been stopped? could the world war 2 be prevented?

What did president roosevelt do to aid panama in becoming an independent country? a. he negotiated a peace treaty with nicaragua to purchase the land. b. he invaded colombia to establish a us base for defense. c. he placed warships around panama to block sea lanes. d. he used dollar diplomacy to block imports to nicaragua.