From where did the term "uncle sam" come?

The origin of the term Uncle Sam, though disputed, is usually associated with a businessman from Troy, New York, Samuel Wilson, known affectionately as “Uncle Sam” Wilson. The barrels of beef that he supplied the army during the War of 1812 were stamped “U.S.” to indicate government property.

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The origin of the term Uncle Sam, though disputed, is usually associated with a businessman from Troy, New York, Samuel Wilson, known affectionately as “Uncle Sam” Wilson. The barrels of beef that he supplied the army during the War of 1812 were stamped “U.S.” to indicate government property