Farming, making a living, slavery, religion, i don't know if this is exactly what you're looking for but heres a rough idea.
The soviet Union lost the most in ww2 and the the United States lost the least
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The Maya civilization were people who lived in Mesoamerica, with Maya languages and Maya religion. They lived there for a long time and some of the Maya people live there even today. ... The Maya people used a written language and a numeral system. They were good at art, building, and math.
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im pretty sure that christopher columbus on his voyage to find "America"
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Recycling, waste disposal, public health, and water and air pollution control.