C because almost all Kings and ovaries where buried in tombs or some sort of sacred place for the afterlife
Answer:
Sumeria-Mesopotamia, Egypt, China, and the Indus Valley
Explanation:
i just looked it up lol
Generally speaking, industrialization greatly reduced social inequality by creating a "middle class" of people, who were able to significantly increase their incomes due to the large number of jobs available in factories.
15+25+35+45=120 120 divide 4 = 30