1. what negative impact did gold and silver mining have in the west? a. tent cities near the mines fostered criminals as long-term residents b. ghost towns were left behind after the mines stopped producing c. mining camps were sources of many contagious diseases d. mass migration from the east coast led to social tension among merchants 2. what was the primary goal of the dawes act? a. to provide farms for native american families b. to preserve reservations for native americans c. to protects native american cultures d. to encourage native americans to be farmers