What was the evolution of how mail got to people? Choose the answer with the correct order. Group of answer choices 1.Pony Express, telegraph, Overland Mail Service
2.telegraph, Overland Mail Service
3. Pony Express, Overland Mail Services, telegraph

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Explanation:

The start of writing occurs in Mesopotamia at least 9,500 years ago, and it involved the use of clay tokens, blobs of baked clay which had dots or lines incised in them representing quantities of goods. A courier might bring tokens to a seller for so many bushels of grain, or so many jars of olive oil, and the seller would send the tokens with the goods back to the buyer. Think of it as a Bronze Age bill of lading.

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By 3500–3100 BCE, the Uruk-period Mesopotamian trade network had ballooned, and they wrapped their clay tokens in thin sheets of clay that were then baked. These Mesopotamian envelopes called bullae were intended to deter fraud, so that the seller could be certain that the correct amount of goods would get to the buyer. Eventually the tokens were done away with and a tablet with markings was used—and then writing really took off.

the answer is a) high entry costs

this is a good question! i'll do some research and come back when i have the answer!