Based on what? Education doesn't seem to have reduced the incidence of war.
Since education made large scale war possible....
It started two World Wars.
I guess education and war go hand in hand. Perhaps what Adams should have said is, economic integration is the antidote to war. Not as catchy, though.
Japan was easily the most educated country in Asia before WWII.
I don't know how Italy stacks up to the rest of Europe, but Italy was far more educated than Ethiopia before invading it before WWII.
Based on what? Education doesn't seem to have reduced the incidence of war.
Since education made large scale war possible....