Who were the big 3 in the Cold War?

Who were the big 3 in the Cold War depends on context, but usually it refers to the three dominant superpowers and leaders who shaped the conflict. In World War II, the Big Three were Roosevelt, Churchill, and Stalin, but in the Cold War, the Big Three are generally considered the United States, the Soviet Union, and to a lesser extent, the United Kingdom initially, or later China. For most of the Cold War, the main confrontation was bipolar between the United States and the Soviet Union as the two superpowers with massive nuclear arsenals, global alliances, and competing ideologies of capitalism versus communism. The United States led NATO and the Western Bloc, while the Soviet Union led the Warsaw Pact and Eastern Bloc. Some historians include China as the third major communist power after the Sino-Soviet split in the 1960s, as it became an independent pole with its own nuclear weapons and influence in Asia and Africa. Others include the United Kingdom and France as part of the Western Big Three early in the Cold War due to their nuclear capabilities and UN Security Council status. If you mean leaders, the Big Three of the early Cold War were President Harry Truman, Premier Joseph Stalin, and later Premier Nikita Khrushchev, and in the later Cold War, Reagan, Gorbachev, and Thatcher are often seen as the Big Three who ended it.