Communities with war industries experienced an immediate labor surplus when those industries closed down, and the large numbers of returning soldiers added to the unemployment problem.
I know for sure Russia, I believe Poland...
If you’re referring to the order in which they occurred, it’s 2 then 1 then 3 then 4
Cars became popular in 20th century. I think this is the right answer.
Inca were known for their cruelty and often killed people, but they would not be killed. Rather, they would be separated and sent to different regions, sometimes where other languages were spoken, to make it impossible for them to organise further rebellions.