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Two youngsters, North of the 'Peace Line' separating Catholic and Protestant areas, give a fist-up salute while standing next to wall which is inscribed 'No Pope Here,' March 1972, Belfast, Northern Ireland. Many older children began to accept violence as a way of life during 1972, the most violent year of the Troubles in Northern, Ireland. (Photo by Oliver Morris/Getty Images)

Two youngsters, North of the 'Peace Line' separating Catholic and Protestant areas, give a fist-up salute while standing next to wall which is inscribed 'No Pope Here,' March 1972, Belfast, Northern Ireland. Many older children began to accept violence as a way of life during 1972, the most violent year of the Troubles in Northern, Ireland. (Photo by Oliver Morris/Getty Images)