politics split into two parts U.S. “defense perimeter.” U.S. “defense perimeter.” Korea in 1950 amped up in response to the Communist invasion The United States Enters the Korean Conflict Korean Conflict The United States Enters the Korean Conflict 1950-3 Korean Conflict source This article US Enters the Korean Conflict sent troops to Korea Korean peninsula in 1950 Korea in 1950 The United States Enters the Korean Conflict The United States Enters the Korean Conflict The United States Enters the Korean Conflict The United States Enters the Korean Conflict politics U.S. “defense perimeter.” US Enters the Korean Conflict The United States Enters the Korean Conflict The United States Enters the Korean Conflict politics U.S. “defense perimeter.” http://www.archives.gov/education/lessons/korean-conflict/ The United States Enters the Korean Conflict sent troops to Korea WW II in Korea US Enters the Korean Conflict http://www.archives.gov/education/lessons/korean-conflict http://www.archives.gov/education/lessons/korean-conflict/ The United States Enters the Korean Conflict http://www.archives.gov/education/lessons/korean-conflict http://www.archives.gov/education/lessons/korean-conflict/