How was classical persia's extensive network of roads important to its civilization? a) it allowed persia to supply all of its own economic needs without needing to expand its borders. b) it persian religious leaders monitor the empire to make sure no minority religions were being practiced. c) it allowed persian military forces to efficiently protect the empire's many independent city-states. d) it persia create a feeling of unity among citizens across its empire's vast territory.

D) it helped Persia create a feeling of unity among citizens across its empire's vast territory.

Explanation:

Trade was a significant part of the economy of the Persian Empire. By exchanging with different terrains, the Persian Empire amassed an incredible royal riches. The Persian Empire had a broad street arrangement of exchange courses, and the streets were kept up by the state to energize exchange. Notwithstanding exchanging over land, the brokers of the Persian Empire payed incredible regard for seaborne chances of exchange. So as to scan for progressively regular assets and new exchange advertises, the state put resources into an incredible number of marine campaigns and voyages. One of the greatest achievements that the Persian Empire made in exchange courses was an undertaking begun by the Egyptians that King Darius finished.

King Darius figured out how to make a trench from the Nile River to the Red ocean. Darius did this to interface exchange courses the Arabian ocean and the Persian Gulf to Egypt, and it was an incredibly fruitful undertaking on his part. Many exchange courses from different nations went through the Persian Empire, and bands regularly transported merchandise however Persia. Valuable and semi-valuable gems and gemstones were frequently brought to Persia by methods for the Silk Route. Flavors were likewise a significant product that was brought into Persia by dealers. Exchange was an enormous wellspring of magnificent riches in the Persian Empire.

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