how plants, animals, and diseases moved among europe, africa, and the americas as a result of the Columbian exchange.

All native american time were united against their struggle with the european settlers true or false

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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