There were a lot of factors, mostly being based around education and emancipation, but also religion. People either educated themselves and started realizing how wrong slavery is and that African Americans aren't actually different, but rather the same as us, or they were motivated by religious beliefs that all people were created by god to be equals and that slavery is against god.
Answer:
Americans have different ideals of what is valuable for a better life.
The answer is "John Maynard Keynes's theory".
Keynesian financial aspects created amid and after the Great Depression, from the thoughts displayed by John Maynard Keynes in his 1936 book, The General Theory of Employment, Interest and Money. Keynesian business analysts for the most part contend that, as total request is unpredictable and shaky, a market economy will regularly encounter wasteful macroeconomic results as monetary retreats and and inflation.
Answer:
Laissez-faire Versus Government Intervention. Historically, the U.S. government policy toward business was summed up by the French term laissez-faire -- "leave it alone." The concept came from the economic theories of Adam Smith, the 18th-century Scot whose writings greatly influenced the growth of American capitalism.