The Sydney Harbour Bridge is one of Australia’s major landmarks, connecting Sydney’s central business district with the North Shore. Nicknamed the “coat hanger” because of its arch-based design, it is among the world’s widest and longest bridges, and it towers as much as 440 feet (134 m) above the harbor. Despite opening during the Great Depression, the bridge was heralded by lavish festivities. How did a member of a right-wing paramilitary group interrupt the bridge’s ribbon-cutting ceremony? Discuss