And if you think the country's gotten saner since then, we envy you.
...Right. I remember now. We're still idiots. Turns out food titles are a hot-button issue during times of war, which is also why the UK's Empire Biscuits used to be called "German Biscuits" before WWII. So right away we've been steadily reaching pre-war levels of grunty jingoism -- as evidenced by the United States president who campaigned on "Build A Wall." Not to mention that our current attitude toward immigration is very similar to that of the early 1900s -- a time where we actually turned away Jewish refugees because we thought they were spies.
Then there's the technologically driven stockpiling of weapons. While militarization can't be blamed for starting the first World War, it's hard not to have a big pretty pew-pew fight when you've been stockpiling WMDs like a Bond villain with a hoarding addiction. This was the result of the late-1800s industrial revolution, which not only caused countries to innovate and increase their armaments, but undergo a populist backlash to globalization. Hey, that's a thing we have now too!
As Winston Churchill said back in 1913, "The world is arming as it has never armed before. Every suggestion of arrest or limitation has been brushed aside..."