Answer:
B: In 1750, core areas of Europe and Asia enjoyed similar levels of economic development
B. discovery of gold in Idaho
With the discovery of gold in Coeur d'Alene region, in north Idaho, and the mining boom, Spokane became an outfitting and jump off point for many of the mine workers.
B. Increasing populations deplete the resources available
C. They are economically dependent on other nations
D. All of the above
c. aide organization
b. peacekeeping force
d. peace treaty