Answer:
German invasion of Portland was sep, 1 ,1939 to sep ,2, 1945
Explanation:
<span>One of the problems faced by many newly independent nations was violence between ethnic groups.</span>
I believe the answer is selecting non-Mongols architect in his palace. Kublai Khan was not only tolerant of various religions but was also open to different cultural diffusion. He welcomed artisans and craftsmen from various cultures to his kingdom and as a result, he opened various trade routes.