Answer:
Groundwater.
Explanation:
Becasue it's underground and not on the surface.
The Powhatan Confederacy was a group of Native American tribes during the 17th century that settled in Virginia. Learn about how they rose in power under Powhatan, how they reacted to English colonists at Jamestown, and how they ended up in decline.
By 1860 almost half of the American people lived west of the Appalachian Mountains. In the 19th-century movement of settlers into the American West, was initiated with the Louisiana Purchase and Lewis and Clark´s expedition. I was also triggered by the California Gold Rush, the Oregon Trail and "manifest destiny." Manifest destiny was the believe that Americans were meant to expand across all of North America.
