Those Americans often suffered from homesickness so bad that it was possible to die from it:

https://en.wikipedia.org/wiki/Nostalgia#As_a_medical_conditi...

Homesickness: An American History by Susan J Matt is a great book about how it existed in America. The song "Home Sweet Home" is banal to us, but was forbidden to be played during the Civil War because it caused homesickness and desertions.They used to hospitalize people suffering from nostalgia. It could be that bad. the past was nothing like the modern rootlessness we have now.