Why was isolationism popular after World War I

The adoptive younger sister of Switzerland, who once lived a difficult life after WWI ended and she was left in crisis and grimly waiting for her country to fall apart. She is incredibly grateful to Switzerland and often dresses like him to show her appreciation, even cutting off her long hair into a style similar to his. Due to being mistaken as a boy by a civilian, she wears a purple ribbon in her hair. As she has no army of her own, she relies on her older brother to take care of those affairs.

Just finished reading a Kate Shakelton mystery and enjoyed the vibes of life after WWI in England

After the war, the world changed. I've made this point before in history threads: there is a huge and critical break in popular culture after WWII. Life after WWI was premodern; life after WWII was modern. We can identify with it in a way that we cannot with the prewar world: those earlier times seem like a Walker Evans photograph, or a Keystone Kops flic. 1948 is very late in this game. It had been played for decades by that point.

World War II: After the War - The Atlantic

Isolationism - Life after WWI Life After WWI In the United States- covering racial strife, the Red Scare, and labor disputes.

ATTENTION: In no way is this video intended to come across as discriminatory. Any dialogue or footage was included so as to create the video in accurate historical context related to popular opinion post World War I. This is not an representation of the actors own thoughts and beliefs. I do not own the rights to all footage included.

America Turns Inward After World War 1 - VOA

Oswald Spengler in his book Decline of the West famously—or infamously—asserts that all civilizations go through cycles and eventually die, and that the West is now in such a downward cycle, with its final decline and death certain.
I have not yet read Spengler myself (a desideratum), though as someone once said, after the publication of Spengler’s book and in the context of the horrific mutual bloodletting of European nations in World War I, “we are all Spenglerians now”, meaning that life after WWI changed how everyone saw western civilization, excepting …

Cars also made life on farms less lonely.