What did Alberto Ruiz discover in Palenque in 1952?

He discovered the magnificent tomb of the Classic Maya King of Palenque, Mexico, K'inich Janaab' Pakal I.

Explanation:

the end of the gilded age coincided with the panic of 1893, a deep depression, which lasted until 1897 and marked a major political realignment in the election of 1896. this productive but divisive era was followed by the progressive era.

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