The best answer is, was the precursor to the Progressive political movement, and ultimately failed because they did not accept the changes brought by Industrialization in American culturally and economically.
The Populist Party, which was also known as the People's Party in some areas, was a progressive political entity that influenced left-wing politics during the 19th century. However, it proved unsuccessful in the long-term because the movement failed to gain support from the south and industrialized areas of the country and to adapt to the changes brought about by the Industrial Revolution.
