The document discusses Singapore's challenges in managing a multi-ethnic, multi-religious society and maintaining social cohesion. It describes two historical incidents of racial/religious conflict - the 1964 racial riots and 1950 Maria Hertogh riots. It also discusses the threat of transnational terrorism from groups like Jemaah Islamiyah and how Singapore works to promote racial and religious harmony through policies of meritocracy, secularism, and emphasizing a shared national identity.