Answer:
Sumerian cuneiform is the earliest known writing system. Its origins can be traced back to about 8,000 BC and it developed from the pictographs and other symbols used to represent trade goods and livestock on clay tablets. Originally the Sumerians made small tokens out of clay to represent the items.
Cooking, raising kids, and making clothes.
I imagine that the indigenous people of the area were not happy with the outcome of railroads being it defied their religious beliefs and it confused them as well since there was such an advance of technology.