The messiah would heal them from all there sins
The thinnest continental crust in the United States is located in the Basin and Range region.
It was in the 1930s and to some extent the 1940s that the US Government started to take a much larger role in the US economy, primarily through Roosevelt's New Deal programs.
This is a very difficult question and one that is heavily debated today, but the general consensus is that although feudalism was initially helpful at protecting the unprotected in society, it overall held Europe back from economic and social development since there was no upward mobility.