During an earthquake, energy spreads outward in every direction from the source area, referred to as the -FOCUS-
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In 1838, the courts abolished Indian autonomy, forcing Indian tribes to vacate the southeastern United States. While the Potawatomi, Miami, Shawnee, and Seminole remained in North Carolina's hills, the Cherokee, Chickasaw, Choctaw, and Creek relocated westward.
Salinity measures the amount of dissolved minerals in seawater.