The Columbian Exchange describes the interaction between the Americas and the rest of the world that occurred as a result of European exploration in
the 15th and 16th centuries. One of its most important outcomes was the
spread of new plants, animals, and diseases across the Atlantic Ocean. For
instance, potatoes spread from the Americas to Europe, while Europeans
brought the first horses to the Americas. Which of the following historical
themes is applicable when studying this aspect of the Columbian Exchange?
A. Environment and geography
B. Culture and society
C. America in the world
D. Politics and power

superior technology and improved medical knowledge to foster imperialism. quinine enabled europeans

to survive tropical diseases and venture into the mosquito-infested interiors of africa and asia. the combination

of the steamboat and the telegraph enabled the western powers to increase their mobility and to quickly respond

to any situations that threatened their dominance. the rapid-fire machine gun also gave them a military advantage

and was in convincing africans and asians to accept western control. the following table summarizes the

causes of the new imperialism:

causes of new imperialism

economic military/political humanitarian/religious technological

need for markets need for military bases white man’s burden new medicine

raw materials national security spread of christianity new weapons

source of investments source of

pride—nationalism

social darwinism

(superiority of western

society)

transportation

i