United States was an agrarian-based nation. Prior to World War II, people were involved in agriculture than other existing industries. Technological improvements in farming introduced during the war years reduced farming dependencies on manual labor freeing people to move to the cities to find white collar jobs after the war.
Probably the kingdom of axum
The Ottoman empire was labelled the sick man of Europe due to the empire being the only European country to lose land during the 19th century<span />