One of the most important legacies that World War I left behind was the idea of "total war," since up until WWI civilians and private homes were considered "off limits" in terms of targets.
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
The Sumerians created the first written language: Cuneiform
T<span>ransportation innovations of the time period affected migration patterns in the United States by increasing the rate of immigration into the country. More immigrants choose to transfer to the country as the accessibility increases. Hope this answers the question.</span>
