A. new trade and economic opportunities
You look like you ate rocks for dinner umm What do hockey players and Surrey girls have in common They both only change their pads after every third period
B. Pax Mongolica. In Pax Mongolica, there is relative peace that happened after Kublai Khan was killed. Resulting to this, the re-opening of Silk Road gave way to transfer to culture, tradition, and trades, and religion.
Depends on the era. If you're talking about WW2, China affected Japans Political development through national competition and past differences. If you're talking about Modern, it would be the same answer. However, if you meant Ancient, then the correct answer would be the war economy system that propagandized the situation to gain base war support.
It involved the re-appropriation of Indian land.