Apart from that due to globalization and world trade it is almost impossible. The short conclusion being made is there will be no longer experience any kind of war among nations. During the Cold War, there were numerous nuclear tests conducted which were several times powerful than the one being used in World War 2, so these kinds of devices were used only as a deterrent which holds that the threat of using strong weapons against the enemy prevents the enemy’s use of those same weapons on basis of Nash equilibrium. a mass destruction device, which was only used during World War 2, whole world came to know about the scale of mass destruction. At the same time, humans have also invented nuclear weapons which serve only one purpose i.e. Recently humans also started utilizing nuclear energy, in terms of being nuclear only nuclear fission is only being used for peaceful purposes but nuclear fusion is in the research and development phase for making it controllable. Initially, humans invented the wheel and discovered fire for its usage using tools made of stone, and after some time humans started using metals like copper and the iron to make life easy when humans came to know about its extraction from their ores. In our universe there are around more than quadrillion galaxies(let’s assume about 10% of galaxies in the entire universe are like Milky Way in which life can be supported) and in our Milky galaxy there are about 20 billion stars like our Sun, as per rough estimates there are almost 1/5 of them have an earth-like planet in the habitable zone. Has anyone wondered why we haven’t found any advanced civilization like the present Human civilization in our universe? This kind of question comes to mind is because our observable universe is around 13.5 billion years old and our planet Earth is around 4.5 billion years old.
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