Across the globe there are chokepoints on maritime trading routes which are under challenge.

As with overland trading routes, though, most exchange was local and petty, bringing food and day-to-day materials to those who wanted and needed them.

Over the centuries towns and cities have built up around these trading routes, promoting further investment in public amenities and infrastructure.

Militia groups still abound, with some vying for control of trading routes and economic gain, and others seeking political advantage.

For centuries, we have roamed the seas, establishing colonies and trading routes along the way.