The yuan dynasty is credited with all of the following except a. increasing marine trade with india b. expanding the great canal c. uniting the mongols and chinese d. all of the above

b. expanding the great canal.

A rich social assorted variety created amid the Yuan dynasty. The major social accomplishments created were a dramatization, the novel and the expanded utilization of the composed vernacular. Given the brought together guideline of focal Asia, exchanges among East and West prospered. The Mongols' broad West Asian and European contacts delivered a considerable measure of social trade. Western melodic instruments were acquainted to improve the Chinese performing expressions.  

Advances were acknowledged in the fields of movement writing, cartography, and topography, and logical instruction. Certain Chinese developments and items, for example, refined saltpeter, printing systems, porcelain, playing cards, and medicinal writing, were sent out to Europe and Western Asia, while the generation of thin glass and cloisonne wound up prevalent in China.

they made rome the dominant power in the mediterranean.