Earlier quoted context omitted.
What Europe can be quite proud of is how not only war was avoided during the last decades but also that war was made less likely over the decades. Suggesting that there could be war between Germany and France would be crazy today but certainly wasn’t always. That’s not just some flimsy anti-war sentiment which can change as new generations take over, that actually has something to do with lasting change initiated by…
That's true, but ultimately what causes wars might have to do with the impulses of people as much as with the "international situation". While institutions can be put in place that seem to make war less likely, people today are not that different from people yesterday.
Real wars, on the other hand (e.g., an hypothetical Germany invading France), would require a big crisis.
Which, on the other hand, is almost guaranteed, cyclically, by the current money system, and otherwise easy to summon, by contracting the money supply.