One principles founders used as part of the basis for the constitution were <u>popular sovereignty</u>.
It was the main source of income for most Americans
Answer:
Tectonic uplift can create plateaus and mountains. Rivers and glaciers that cut through these elevated areas of land create deep canyons. The Grand Canyon, in the U.S. state of Arizona, is a product of tectonic uplift. ... Geologists debate the age of the canyon itself—it may be between 5 million and 70 million years old.
Explanation:
A because that’s the right answer I’m sure