Oh, did I forget to mention India and Pakistan? Or India and China? Or Vietnam and China? Or Pakistan's financing of terrorist groups? The war in Syria and the refugee crisis? Russia's blatant cyberwar against America? N. Korea and its nuclear weapons? Russia and Chechnya (what's left of it)? Or the Congo? Or Somalia? Or Sudan? Or Libya?
So are we headed to world war? Not necessarily. After all, even a hot regional war does not imply a world war. But if we do end up in a major world war, there will be people who say that there was plenty of evidence that it was on the horizon.
This topic continues here.