<span>Although the war persisted on the high seas and in other theaters, the Patriot victory at Yorktown ended fighting in the American colonies. Peace negotiations began in 1782, and on September 3, 1783, the Treaty of Paris was signed, formally recognizing the United States as a free and independent nation after eight years of war.
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The quality of life of the Americans has improved because of the Great Society introduced by President Lyndon B. Johnson in 1964. It aims to put an end to poverty and racial injustice. High school graduation rates also rose following the implementation of several Great Society programs.
The involvement of the United States in the Vietnam war eliminated some of its programs, but others like Medicare, Medicaid, the Older Americans Act and federal education funding, remained.
North Korea, Cuba and communist society have a key feature, a command economy. Moving to a mixed economy would involve less government market control. United States and United Kingdom are examples of Mixed economies.