Yes the modern nation state does in many ways distort and obstruct the operation of free markets.

This certainly can result in suboptimal capital, labour and resource allocations and other distortions.

Nevertheless, can any nation state abandon the imperatives which position it relative to other nation states in terms of global trade access and resource access?

Most nations enjoy wealth relative to their position in relation to the dominant global powers.

The impending imposition of tariffs by a Trump government will affect producers in the nations they are targeted at, as well as US consumers.

Is a world of trade without nation state power projection realistic?