C. Give reasons for the decline of Yuan Dynasty.

Yuan dynasty was marked by struggle, famine, and bitterness among the populace.

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the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.

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