They became rivals because each one wanted more power than the other for example in world war 2 the USA made the atomic bomb which showed the world that the Americans were the most powerful country but after ww2 Russia and USA started a Cold War which lead to the feud between there political views and the start of better technology and the space race
False. D-Day (<span>6th June 1944) was actually the day the Allies invaded Normandy (France). </span>
