The Columbian Exchange spread different plants all over the world. It spread sugar cane, bananas, wheat, and coffee beans to the New World. It also spread maize, pineapples, tomatoes, and potatoes to the Old World. The Columbian Exchange brought horses, cattle, sheep, goats, pigs, and a collection of other useful species to the Americas. Before Columbus, Native American societies in the high Andes had domesticated llamas and alpacas, but no other animals weighing more than 45 kg (100 lbs).
It's called a term. When a elected official serves an certain amount of time in office. That's called a term because they're serving for a given number amount of time in a certain period.
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"The historians and students read vertically -- staying within the original website in question to evaluate its reliability." (Spector) Vertical readers are often duped by unreliable indicators such as: a professional-looking name and logo. scholarly or reputable references.
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