Answer:

Explanation:
Cambodia is considered a mainland in Southeast Asia.
China and Japan are in East Asia.
Expences from the french-indian war. the british had a lot of dept and were using the americans to pay for it
Plants that once were only found in the America’s account for 1/3 of the worlds food supply today.
One of the most important effect of the crusades was on commerce. They created a constant demand for the transportation of men and supplies. Hope this helped, have a great day! :D