The removal of a large area of trees for human use
The Treaty of Paris of 1763 was very much significant for the Americans as it formally ended the American Revolutionary War. In the terms of the treaty, France gave up all its territories in mainland North America, effectively ending any foreign military threat to the British colonies there.
After the treaty, The British acknowledged the independence of the United States and the colonial empire of Great Britain was destroyed in North America.
ANSWER: HUMAN SACRIFICES
I believe it was human sacrifices. The Aztecs built temples honor their gods. Temples provided a place for the music of worship, a place for the private ceremony of personal bloodletting, and a place to conduct the many human sacrifices that the Aztecs believed were necessary to keep their gods happy. Some temples were huge structures.