The aggressive Southern effort to disarm the freedmen prompted a constitutional amendment to better protect their rights. A hundred years later, the Black Panthers’ brazen insistence on the right to bear arms led whites, including conservative Republicans, to support new gun control. Then the pendulum swung back. The gun-control laws of the late 1960s, designed to restrict the use of guns by urban black leftist radicals, fueled the rise of the present-day gun-rights movement—one that, in an ironic reversal, is predominantly white, rural, and politically conservative.