Carroll, Reed, and Lazear assist in Cuba's progress as a nation by finding the treatment of the country's epidemic: the Yellow Fever, through a series of experiments in the <span>U.S. Army Hospital, Havana Cuba in 1900.
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Answer:
they passed food and goods to each other so people started mixing in
Explanation:
They divided into so many city-states because of geography. The <span>mountainous terrain, many isolated valleys, and numerous offshore islands encouraged the formation of many local centers of power, rather than one all-powerful capital.</span>
They had a hard life they where looked down on and didn't have as many freedoms.
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