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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It was "<span>2. Meriwether Lewis and William Clark" who famously </span>explored the Louisiana Territory in the early 1800s--a territory purchased by Thomas Jefferson from Napoleonic France for an incredibly small amount of money.
Battle of little Big Horn is when the indians wipe out George Custer's 7th cavalry
France<span> and </span>Germany.
Cuba<span> and the Netherlands.</span>
United States<span> and </span><span>Soviet Union</span>
