Answer:
The invasions toppled the 250-year-old Pagan Empire, and the Yuan army seized Pagan territories in present-day Dehong, Yunnan and northern Burma to Tagaung. ... After a brief lull, Kublai Khan in 1281 turned his attention to Southeast Asia, demanding tribute from Pagan, the Khmer Empire, Đại Việt and Champa.
Explanation:
B because the Nazis were becoming an international problem
The FireBird was an overnight success made by Stravinsky.
Korea main role was setting conflict between the communists and the west. hope that helps