Switch grass could be one of your answers. Hope this helps.
The North became more industrialized whereas the South continued to be more agricultural and rural
I believe it is 32.7165, can you tell me if it is right?
The land was called Mesopotamia. Mesopotamia is also referred to as the land between two rivers because of this.
About 10 years, however the economy was in trouble again because shirtly after the WW2 happened