Answer:
The structure of buildings and temples were built many years ago, you see places like Washington DC replicate the same types of structure in their buildings the art of it is beautiful and well liked.
Explanation:
Something must have been moving along and either plowed the stuff to one side or carried it and deposited it along the side. What else but a glacier?
PS. I'd guess this is more the province of geologists, not geographers
Settlers had a faster way to ship grain.
Answer: brazilian highlands
Explanation: a lot of people live there
