There is s chance there will be less war in the future because many people from different countries need to work together to survive by fighting violent crimes like terrorist who use a gun or bomb to kill innocent people, and more people need to work together to slow down world hunger, global warming, and pollution, so we can survive on earth.
I feel there would be more violent crime in the future as more people no longer have a job. A lot of people may not to be able to afford food, water, shelter, and heating because of robots with artificial intelligence taking people's jobs and earning most of the world's money. Political and economic problems, addiction problems related to drugs, alcohol, smoking, gambling, etc can make the world worst.
The earth is also getting warmer and more polluted, so there will be a greater chance that more people will forest fires, no rain, food is no longer safe to eat because of radiation from nuclear waste and toxic chemicals from factories and rising sea levels will cause flooding.