Locally called the Song Hong, it arises is the central Yunnan province, and is joined by the Song Li and Song Da (or Clear and Dark Rivers) on its way to the sea. Its common name derives from the large amount of silt it contains, which is deposited in a densely populated 2,700-square-mile delta on the Gulf of Tonkin.
Uncle Sam (initials U.S.) is a common national personification of the American government or the United States in general that, according to legend, came into use during the War of 1812 and was supposedly named for Samuel Wilson. Its actual origin is obscure. Uncle Sam represents a manifestation of patriotic emotion.
The United States has many symbols, including the bald eagle, the Statue of Liberty, and the Liberty Bell. However, there is one that has been featured in a recruiting poster, served as a symbol of patriotism, and is a personification of the government of the United States of America. This symbol is Uncle Sam. Uncle Sam was supposedly based on a real person, Sam Wilson, a businessman during the War of 1812.