In the post–World War II time period, the
purpose of both the North Atlantic Treaty
Organization (NATO) and the Warsaw Pact was to establish a military alliance.
The wrong person gets elected and could lead to unwanted fights, drama, destruction, people would outrage.
I think it was in 1964, that was when direct army confrontation happened. This was followed by several more conflicts that made use of heavy fighting naval and aircraft with the Gulf of Tonkin resolution that made military measures necessary. There were an estimated 40, 000 deaths and 20, 000 other casualties.
Patriots wanted independence and were willing to fight for it