The time period of extravagant wealth and terrible poverty was called what?

The time period characterized by extravagant wealth and terrible poverty is often referred to as the Gilded Age. This era, which spanned from the 1870s to about 1900 in the United States, was marked by rapid industrialization, economic growth, and significant social inequality. While it saw the rise of influential industrialists and immense fortunes, it also highlighted the stark contrast of widespread poverty and poor working conditions for many laborers.