C. The caste system is necessary to preserve social stability
Answer:
THE CORRECT ANSWER IS D) LAND!
Explanation:
Nubia had trade and wealth. The Nile river is not an option because Egyptians thought that the Nile River was a God that helped them with their everyday life, irrigation, crop, etc. Nubia rivaled for land.
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Robber Barons Definition: These men earned the title of 'Robber Barons' due to their greed and ruthlessness, their unethical business practices, unscrupulous tactics and their total lack of concern for their workers, their customers or their competitors. ... The power of the Robber Barons grew.