According to the Buddha, one achieves happiness and fulfillment by reaching the level of Nirvana, meaning that they have freed themselves from all wants and desires.
The bid business transformed the US in various forms. It created new social classes - wealthy industrialists, middle classes and blue collar working class -.
Factories needed labor force, so immigrants from Europe went to the US looking for work, also Americans that used to live in rural areas moved to the cities to work.
The problem for workers was that they were mostly unemployed a part of the years, the wages were low and labor unions were not supported by the government and the owners of the factories who wanted big profit.
Yes, it is true that from <span>1942 until the end of the war, American auto makers were not allowed to manufacture brand new cars, since the government wanted these resources to allocated towards the war effort. </span>
The disruption in Atlantic shipping prior to and during the War of 1812 increased the manufacturing and this was the way it affected the United States economy. Since there was problem in importing products, so to balance it, the internal production was increased and this way the economy sustained that period.