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In mining towns during the California Gold Rush, how was public order maintained?
a. Native American groups along with church officials caught, tried, and imprisoned lawbreakers.
b. The police caught, tried, and then sent lawbreakers to federal prisons in New Mexico.
c. To maintain order, U.S. marshals were assigned to the mining regions of California.
d. Vigilance committees of concerned citizens acted as police, judge, jury, and, when required, executioner.
d. Vigilance committees of concerned citizens acted as police, judge, jury, and, when required, executioner.