Answer:
Appalachian Plateau
Step-by-step explanation:
Gold rush is a situation in which lands rich in gold were discovered and resulted to people moving in droves to the area to seize the opportunity to mine them and sell in order to become wealthy.
Although the first gold rush occurred in Cabarrus County, North Carolina around 1799.
The most significant gold rush occurred in the country in 1829 in the mountain region of Appalachian Plateau.