How did World War I change Western governments and societies (particularly in politics, economies, and the way people lived)?

had a
massive impact on Western society. It drastically impacted the economies and lifestyles of many
people throughout Europe and the Americas. One of the biggest results was a sense of nihilistic
existentialism, which led many young peoplethose who had served in the war and those who had
lost friends in the warto act more impulsively, leading to the Flapper lifestyles and the
Roaring 20s.

Additionally, the Industrial complex that had been built up to
provide resources during the war continued along during this time period, promoting wealth and
spending, but without much regulation. This led to two major developmentsone of which was the
eventual Great Depression. The second development, however, was a wealth of monopolies
developing in various industries. Both of these things prompted the government to step in and
become more involved in industry and business, which was uncommon prior to that time. Anti-trust
and anti-monopoly laws were created, and Roosevelt...