If, we carefully analyze the past wars and tensions among countries then we can say that nothing has been achieved till date. Nuclear capability, development of cruel missiles and an economy based on weapons can not be said as sustainable ideology in any sense.
The powerful countries of the world must gather and start fruitful discussions on disarmament and stop any kind of retaliation. The power of peace is supreme. There are many social challenges across the world which can be fought to make our earth as a happy planet.
The problem of poverty, unemployment, corruption, frauds , cultural problems , environmental issues etc. can be taken as main stream agenda for global forums.