Hello Prosperous people..... the roaring 20's and Prosperity ...happened began in 1922 ... America had a recession that effected a good share of the country after WW1 ... the the huge SP order was to help boost spirits for a brighter tomorrow ...in this cause it worked .... the economy took off ( roared) ... the roar was the automobile industry ... which spurred individual travel...suburban growth better roads ...ultimately to the determent of passenger rail travel .
Here is link about the American economy in the 1920's
https://eh.net/encyclopedia/th...conomy-in-the-1920s/
The roaring 20's is the birth period of the "Scale" model train world ...as kids who had early toy trains grew to desire something more realistic as adults ...
Ives brought out a standard gauge Prosperity Special in gleaming cooper in 1929 in the same hopes as the SP to boost economy ...it did not have the same effect as America sank in to a depression .
for more info please click
http://www.ivestrains.org/webo...erity/prosperity.htm
Cheers Carey