If you've been around enough you can see what is happening - first off - the thought is that all wars are started because one of the following reasons - religion - wealth - nationalism - if somehow these three things can be eliminated or watered down the reason for war will go away - so
There is a big push for immigration - get as many non native people into countries so that a country will be made up so many different races and cultures there will no longer be a national identity - support diversity whenever possible
Spreading the wealth - have the more wealthy nations support the countries who are poorer - passing environmental laws that the wealthier nations must follow will remove the difference in wealth - buy things made in the poorer nations at the expense of the wealthy nation's economy - build up debt to devalue the wealthy nation's currency
Attack the major religion in a country and support any other religions - also support the immigration of people with different religions - hoping to eventually have one religion that fits all