In America Alone, which is set in the context of the global war on terror, Steyn argues that "much of what we loosely call the Western world will not survive the twenty-first century, and much of it will effectively disappear within our lifetimes, including many if not most European countries.

[4][2] Steyn argues that these programs erode humanity's basic sense of self-reliance to a point at which a more resilient group of people – Muslims in his view – will take control.

According to Steyn, America will be the last and only country—as all others will be taken over by Muslims—that will retain its sense of self-preservation, but this is not a given, as US enemies know that it ran from Vietnam and they hope that the United States will continue to flee when faced with a challenge.

Thus, during the Danish 'cartoon jihad' of 2006, Jack Straw, then British foreign secretary, hailed the 'sensitivity' of Fleet Street in not reprinting the offending representations of the [so-called] Prophet.

"[2]: xxx In a 2016 post on his personal blog, "Ten Years, and Slightly Less Alone", Steyn wrote that his book America Alone was still the "biggest story of our time".

[5] Steyn cites Robert D. Kaplan, author of The Coming Anarchy, who has referred to countries and regions where "scarcity, crime, overpopulation, tribalism, and disease are rapidly destroying the social fabric of our planet" as "Indian territory."

Steyn also refers to Thomas P. M. Barnett's 2006 book, Blueprint for Action: A Future Worth Creating, in which he examines potential relations between the United States and Iran, Iraq, and the Middle East, China and North Korea, Latin America and Africa in the post-9/11 world.

[citation needed] The New Republic article said that by 2007, Steyn's America Alone, had already convinced the readers of the National Review—which he called "the bible of American conservatism"—of an imminent and inevitable Muslim invasion.

"[10] Daniel Johnson said that Steyn is as "damning as he is persuasive: from demographic suicide to the abdication of self-defence, he conducts a forensic analysis of the hollowing out of the high culture for which the Continent was still respected a generation ago.

"[12] Fairness and Accuracy in Reporting criticized the book as "inarguably Islamophobic,"[13] and author Suhayl Saadi in the Independent referred to it as "hysterical".

[14] In a March 2013 Ethnic and Racial Studies journal article, Nasar Meer wrote that the book was, "Remarkably similar to anxieties over western decline in the late 19th century.

The Ontario Federation of Labour, with its 700,000 members, put pressure on all relevant parties, including Macleans' parent company, in support of the CIC complaint.

The authors described how the neoconservatives succeeded in changing the global order by gaining control over American national security policy during the War on Terror.