Atlantic. 6 The conceptual differences between the maritime worlds and such culturally defined approaches are significant. The maritime approach defines a cultural 'world' exogenously through the operation of communications systems shaped by the interaction of the sea and maritime technology at their core. Where culture and identity themselves provide the building blocks for the world, the field is conceived endogenously through the forms of identity adopted by, and the connections forged between, historical actors.This article critically assesses this latter approach: the attempt to construct a world as a field of study using cultural connections and identities, rather than a set geographical Nonetheless, the British world has been less successful when offered as a fundamental departure from older imperial and national histories. We argue that, in the