How did the microbial exchange in the Americas affect the development of the African slave trade?

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A. Microbial exchange effects on African slave trade
1. new or spreading diseases of the eighteenth and nineteenth centuries
generally could no longer keep pace with world population or seriously
restrain its growth
2. for as long as the age of plague lasted, problems of severe regional
labor shortages had to be faced
3. gravest of these were in the last region to suffer devastating losses of
population to disease: the New World
4. solution lay in transplanting human labor
a. another kind of ecological exchange
b. human beings were swapped and shifted across the ocean and
ended up in the Americas

History

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Which of the following is true of the frontier farmers of the 1870s and 1880s?

A) Only the "bonanza" farmers survived the drought of the late eighties. B) They farmed the land with little knowledge or concern for preventing erosion or preserving fertility. C) Cultivating the prairie grasslands was quite similar to their experience in Ohio and Illinois. D) Farmers who diversified their crops were most likely to fail.

History

What was the one condition Japan requested as part of the surrender in 1945?

A) Japan would retain Korea as a satellite area. B) Japan would retain the military to continue fighting the Chinese. C) Emperor Hirohito would be allowed to remain on the throne. D) Japan retained the rights to Manchuria. E) The US would pay reparations to the cities of Hiroshima and Nagasaki.

History

Which of the following statements BEST describes the governing of Roman provinces under Augustus?

A) efficient, with ex-generals serving as governors and instituting military rule B) efficient, with legates cooperating with the local elites C) inefficient, due to the corruption of Roman governors D) efficient, with all governors receiving one year of training before assuming their positions E) mostly efficient, although there were numerous local uprisings against Roman rule

History

By the mid-1930s, more than two-thirds of American families owned radios. Many families tuned in to hear Roosevelt's radio addresses, known as

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History