EA is the name of the company, US was born in the United States, and Uncle Sam's abbreviation happens to be U.S., so in a joke, Uncle Sam's statement spread quickly and later became another name for the United States. Uncle Sam has always been a symbol of the American government in American culture, and also a manifestation of patriotic feelings. Americans regard Uncle Sam's honesty, reliability, diligence and patriotism as the pride and common quality of citizens.
When American painter Frug painted the poster of "Uncle Sam", he deliberately portrayed "Uncle Sam" as a national personality. The poster of Uncle Sam created by Frug was widely used by the US Army Recruitment and Publicity Bureau during the two world wars, and tens of millions of posters were distributed, which is the largest number of posters printed in history. It has played an inestimable role in boosting morale and rallying people's hearts. Americans regard Uncle Sam's honesty, reliability, diligence and patriotism as the pride and common quality of their nation.
For the above reasons, the U.S. Congress passed a resolution in 196 1, officially recognizing "Uncle Sam" as a symbol of the United States.
Extended data
During the First World War, james montgomery flagg first created the famous image of Uncle Sam on the conscription poster, which was deeply rooted in people's hearts. Up to now, this version has the highest image recognition. His creation was inspired by a recruitment poster in England. Lord Kitchen made the same gesture on the poster, which read "Lord Kitchen wants you".
This image has the greatest influence on Uncle Sam's modern appearance: an old man with white hair and a goatee, wearing a hat with blue stripes and white stars, a blue tuxedo and a pair of red and white trousers. The image of Uncle Sam has been confirmed since then.
Baidu Encyclopedia: Uncle Sam