How does the modern era differ from the classical era?

The modern era has seen the rise of powerful imperial states, while the post-classical era was characterized by smaller city-states. The modern era is characterized by global exchange of ideas and goods, while this kind of exchange was mostly regional during the post-classical era. D. Cultures are more isolated and distinct in the modern era, while classical cultures around the world shared many more characteristics. D. Goods are exchanged on a local level during the modern era, whereas global trade was more prominent in the classical era.

Explanation:

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

john locke is most associated with the idea of consent of the governed which is the idea that the government is only valid if it has the consent of the people who are being governed.

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