What groups did not share in the prosperity of the late 1800s?

During the late 1800s, various groups did not share in the era's prosperity, including many African Americans, Native Americans, and immigrant laborers. African Americans faced systemic racism and economic disenfranchisement, particularly in the South, while Native Americans were subjected to displacement and poverty due to U.S. expansion policies. Additionally, immigrant laborers often worked in harsh conditions for low wages, facing exploitation and limited opportunities for advancement. These groups were largely excluded from the benefits of industrial growth and economic development.