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A positive effect of the Columbia exchange was the introduction of new word crops, such as potato’s and corn, to the old world. A significant negative effect was the enslavement of African populations and the exchange of diseases between the old and new worlds
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Answer:
The various cultures collectively termed "Mound Builders" were inhabitants of North America who, during a 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes.
I dont really know that much about history but i will try my best to
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Answer:
kroll opera house is your answer look it once
The alliance system was made up of two groups, the Central powers (Germany, Austria- Hungary, Italy(1914), and Turkey). The second group was the Allied powers (Russia, France, Great Britain, and United states).
