JULY IV MDCCLXXVI" – July 4, 1776.
I believe it is the Tigris-Euphrates river valley
Philosophers and other thinkers had many different ideas and propositions about the possible connection between reason and the physical world. One of them is the one you've posted, however, that doesn't mean it's universally recognized or true.
I'm pretty sure the answer is b.) n<span>igeria.
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