I think its the availability of good jobs in the North and West.
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The Roman Republic ended when Caesar Augustus came to power.
The minerals and elements in the soil.
Tundra because this is most found in colder places such as the poles or etc.
One of the reasons why Buddhism was especially supportive of printing technology was because "<span>b. Buddhism was fighting with Christianity for converts and saw pamphlets and flyers as a way to attract followers," since this allowed for the message to be more easily spread. </span>