Never before in human history had so many of the world's plants, animals, and microorganisms been so thoroughly and so abruptly mixed and dispersed. We call this phenomenon the Columbian Exchange. Determined to farm the American land in a European manner, the colonists introduced their livestock: pigs, horses, mules, sheep, and cattle.
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Answer:
Feeding a nation of 62 million means not only maintaining our agricultural ... depends, aside from the value of blood, on the abilities that such a nation still has.
Explanation:
C exposing the use of propaganda as a weapon
The iron curtain refers to the Berlin Wall which separated Europe during the Cold War. This term symbolizes the efforts by the Soviets to block itself from the West.
