It brought upon social stratification because certain jobs enabled receiving more food which in turn gave these people the upper hand as they were able to decide who will have enough food to survive. Another thing was blacksmithing and smithing swords only for themselves which gave them a weapon that other people didn't have.
Many settlements and farms were built near the rivers and tributaries. This would allow them to use the waterways like highways. In areas that were large enough, some would create plantations. The prairies would be turned into rice patties. Most people would live in the cities like New Orleans or Lafayette.
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Most scientists conclude that it is the increasing global temperature that leads to the increasing levels of carbon dioxide in the Earth's atmosphere. This may be due to the different chemicals that are being emitted in the air. Hope this helps.
WW1 helped women get the right to vote because it showed how women played an important role in almost everything, from home to factories to the battlegrounds too
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