Factors Leading to the Rise of Populism in the Late 19th Century

Analyze the factors leading to the rise of populism in the United States during the late 19th century, particularly focusing on the period between 1890 and 1900. How did the discontent amongst various socio-economic groups contribute to the formation of populist movements, and in what ways did these movements influence American politics in the subsequent decades?

In your response, make sure to provide specific examples of the groups involved, their grievances, and the political outcomes that resulted from the populist actions. Additionally, synthesize your analysis with other historical periods where similar socio-economic discontent led to significant political movements.