How did the yuan dynasty end and how?

Who killed all seven of Andromache's brothers? What year did Stalin introduce collectivisation? What was a cause of the gradual decline and fall of the Western Roman Empire? Why were most of the reforms applied to middle and upper class? What is the Boston celtics all time record? Who is known as the father of computers? Who was president when native Americans granted citizenship? What year was St. Patrick kidnapped? Did Lords and Ladies live in Castles? What nationality is the last name Moy from? Has Luxembourg invented anything? Bakit mahalaga ang kasaysayan sa tao? What was a early counting machine in ancient China? Did Hitlers Aryan race have anything to do with the persianswho called themselves the Aryans? Why do you think leif erickson was banished from two countries rather than put in prison? What river did God cause to flow south to north? What was the university in Paris famous for during the Middle Ages? What are famous Egyptian pharaohs? What did the naval battles in the coral sea at midway signal? Who wore men's clothes and a false beard?

How did the yuan dynasty end and how?