I believe the centers of learning and art in the early middle ages were in monasteries.
A) I thank but don't take my word on it
Answer; The government paid religious orders to provide basic education to Native American children on reservations. In the late 19th and early 20th centuries, the Bureau of Indian Affairs (BIA) founded additional boarding schools based on the assimilation model of the off-reservation Carlisle Indian Industrial School.
It's wheat. Wheat is a crop that you would find in temperate climates not tropical ones.
If you're talking about the Revolutionary War, they were trained better, had more of everything: ammo, guns, uniforms, etc. There were more soldiers, too.