Yes, Thomas Jefferson had defeated pirates from North Africa during the Barbary War. He was responsible for doubling the size of the United States by successfully brokering the Louisiana Purchase. He also founded the University of Virginia. As well as was the founder of the Declaration of Independence.
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Answer:
In the first years of the Revolutionary War, George Washington and his Continental Army faced a threat that proved deadlier than the British: a smallpox epidemic, lasting from 1775-1782. Infrequent outbreaks and wariness of inoculation made his troops very susceptible to the disease. After heavy losses in Boston and Quebec, Washington implemented the first mass immunization policy in American history.