Select all that apply. trade and commerce between civilizations to
a. exchange new
b. ideas spread languages
c. share new inventions
d. make people rich

Under the new imperialism europe did not need large numbers of people to control territories because of

What was the historic border between the united states and mexico?

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.