The greatest fear of the rulers of the Austria-Hungarian Empire was the outbreak of a full-scale European war, since they were relatively small and in a poor geographic location.
nothing it helped nothing
The United States and Russia both had nuclear weapons. These are also known as weapons of mass destruction. There is something called mutually assured destruction. This means that if a war starts both countries will be wiped from existence. This will also effect the rest of the world. <span />