Read the introductory paragraphs and the section under "Definitions". Islamism a modern ideology. Whereas Islam is a religion that is in a class with Judaism and Christianity, Islamism is a political response to ideologies that emerged in the modern West:
communism, socialism, or capitalism. With the revival of radical Islamism and its ties to terrorist activity (like the 9/11 attacks), much attention has been focused among Western leaders on both the resurgence and the future of Islamism.