The era from 1870 to 1890 was called the gilded age because it suggested that outward appearances were misleading, and one needed to look under the surface to understand what was happening. true / false.

True

Explanation:

The term Gilded Age was coined by Mark Twain decades after. He named this era the Gilded Age because it was an age seemingly full of prosperity, but behind the surface, there was great poverty and corruption.

On one hand, during the Gilded Age, real wages rose 60% in the U.S., railways were built from coast to coast, and cities in the north became industrial powerhouses.

On the other hand, a large number of European immigrants lived in abject poverty in the cities, and the South continued to be poor, with former African Slaves mostly becoming agricultural workers in conditions frequently similar to slavery in all but name.

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rosevelt. 1973. "slaves everywhere"