Dhaka, Dec. 6 -- President Donald Trump's administration has warned that Europe faces "civilisational erasure" and questioned whether certain nations can remain reliable allies, in a new strategy document that puts a particular focus on the continent.

The 33-page National Security Strategy sees the US leader outline his vision for the world and how he will wield US military and economic power to work towards it.

Trump described the document as a "roadmap" to ensure America remains "the greatest and most successful nation in human history".

European politicians have begun to react, with Germany's Foreign Minister Johann Wadephul saying his country did not need "outside advice".

A formal National Security Strategy is typically released by...