The US’s national security strategy, shared last week, claims European immigration will cause ‘civilisational erasure’

How do you create a foreign policy manifesto for a US president who leads from the gut?

The initial draft fell to Michael Anton, a Maga firebrand whom officials have called the lead author behind the US’s radical new national security strategy (NSS). The document shocked US allies, warning that immigration to Europe would cause “civilizational erasure”, reviving the Monroe doctrine in the western hemisphere, and downgrading the US’s responsibility for great power competition with China and Russia.

Anton, the former director of policy planning at the state department, had previously gained widespread attention in 2016 when he compared the impending elections to a hijacked airliner in which conservatives must radically shake up US politics and reject the pro-immigration stances that were the “mark of a party, a society, a country, a people, a civilization that wants to die”.

“2016 is the Flight 93 election: charge the cockpit or you die,” he wrote under a pseudonym. “To compound the metaphor: a Hillary Clinton presidency is Russian Roulette with a semi-auto. With Trump, at least you can spin the cylinder and take your chances.”