Following World War II, the organization known as the North Atlantic Treaty Organization was formed because anti-Communist nations needed to show they were united. the USSR was threatening to occupy East Germany. Western European nations wanted to attack the USSR. Western European nations were turning to Communism.
Following World War II, the organization known as the North Atlantic Treaty Organization was formed because "anti-Communist nations needed to show they were united", since there was a "Cold War" looming between the USSR and the US.