USA HISTORY

Detailed explanation-1: -Uncle Sam has been a long standing symbol of American patriotism. His image has been used by the United States government in a number of different ways, from stamps and military recruiting posters to magazines and newspaper cartoons.

Detailed explanation-2: -’Uncle Sam’ points an accusing finger of moral responsibility in a recruitment poster for the American forces during World War I.

Detailed explanation-3: -Uncle Sam (which has the same initials as United States) is a common national personification of the federal government of the United States or the country in general. Since the early 19th century, Uncle Sam has been a popular symbol of the U.S. government in American culture and a manifestation of patriotic emotion.