Which of the following decades (1970's, 1980's, 1990's, 2000's) represents the biggest shift in American history? Why?

The british used to convince americans to support the allied war effort

Which of the following best describes the geography of oklahoma? a. extreme elevation differences b. varied ecological regions c. limited, mountainous geography d. flat rolling hills to below sea level areas

Which event to improve foreign relations between the united states and china? a. president truman's announcement of u. s. involvement in the "police action" in south korea in 1950 b. president carter's recognition of taiwan in 1979 c. president nixon's escalation of the vietnam war in laos and cambodia in 1973 d. president clinton's proposal to allow china to join the world trade organization (wto) in 1995