There are a lot of ways to prevent wars. That’s just one. - Promises not to go to war - Reduction of armaments - Machinery for the peaceful settlement of dis

There are a lot of ways to prevent wars. That’s just one. - Promises not to go to war - Reduction of armaments - Machinery for the peaceful settlement of disputes between nations - Economic penalties against aggressors War doctrine is a very complicated subject, as is even the definition of war in modernity. What causes a nation to declare war is unclear and difficult to reliably determine, but there is often a period or circumstances of instability or a immoral act that precipitates them. The US appears to be going into a period of isolation and the world without global shipping protection is going to look radically different.