The united states brought alaska in 1867

a. keep pressure from expanded toward the us mainland

b. stop other countries from taking over the territory

c. control the territories abundance of resources

d. open a critical trade route with the far east

Why is it useful for historians to base certain studies on the analysis of historical themes

Who was the top of the feudal system hierarchy

Which course of action did president carter propose in order to solve this problem for the next generation? a. contract with foreign nations to build wind turbines b. reduce federal spending on solar cell energy research c. drill fewer offshore wells to conserve marine life d. develop alternative energy sources