Genghis Khan expanded the Mongol Empire by: O A. invading territories with highly skilled warriors on horseback. B. convincing foreign leaders to adopt the Mongol religion. C. using his vast wealth to purchase huge amounts of foreign land. D. forming alliances with kingdoms that had more powerful militaries. SUBMIT does anyone know plzz do it as fast as u can​

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

both include an amendment process.

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.