On what surface did sumerians record cuneiform writing

The first written language in Mesopotamia is called Sumerian. Most of the early tablets come from the site of Uruk, in southern Mesopotamia, and it may have been here that this form of writing was invented. These texts were drawn on damp clay tablets using a pointed tool

Explanation:

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the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.