How can you tell constantinople grew over time?

Constantinople endured for more than 1,100 years as the Byzantine capital in large part due to the protective wall completed under Theodosius II in 413. Expanding the city perimeter west from Constantine's wall by approximately a mile, the new one stretched 3-1/2 miles from the Sea of Marmara to the Golden Horn.

Explanation:

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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