The relief program was successful because it created a lot of job opportunities. 33 thousand buildings for various governmental and civil necessities were built which created job opportunities for many Americans. Economy was mostly fixed except for unemployment, which was a part of the relief program. Reform was introduced through social security acts, trust busting, and many other things.
The form of travel that greatly helped with the industrialization of north america was the steam engine or wagon.... (only two i remember being in the 1800's that were used a lot could even be the steam boat)
