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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American revolution Create new trading relationships. It also change mostly politics, socially, and economically to be better
Answer:
This is a primary source, namely a written one, because it derives directly from the past and its content hasn't been alternated.
Explanation:
Historians are dividing sources into primary and secondary. Primary sources are derived directly from the past, meaning that they are created at the time when some event happened. This is an example of primary source, as it is an original letter that one ruler sent to another one.
Jose lopez portillo y pacheco
