Which was an outcome of the korean war

After three years of a bloody and frustrating war, the United States, the People's Republic of China, North Korea, and South Korea agree to an armistice, bringing the fighting of the Korean War to an end. The armistice ended America's first experiment with the Cold War concept of “limited war.”

Explanation:

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".