The correct answer is a. evolution.
Darwin was the scientist behind the theory of natural selection, one of the main mechanisms behind evolution (next to sexual selection).
Living in company towns made union membership more difficult for workers because company stores did not sell goods to workers who joined a union. The correct option among all the options given in the question is the last option or option "d". I hope the answer comes to your help.
The supremacy clause of the U.S. Constitution has supported the "<span>national government's sovereignty over matters related to citizen health care and education" since these can technically be decided at the state level as well, as opposed to interstate commerce and foreign policy, which can only be handled at the federal level. </span>
Answer:
Egypt developed around the Nile River, while Mesopotamia developed between the Tigris and Euphrates rivers. With government both Egypt and Mesopotamia had a one main ruler, but Egypt had a centralized government with a pharaoh, while Mesopotamia had a government with a king. Farming surpluses lead to both civilizations becoming rich in artisans and traders. Both economies grew as a result. Both had major rivers and with leaders.
Explanation:
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