The imperial system is much more complex than what is commonly referred to as the US Empire. The US Empire, with its vast network of financial investments, military bases, multi-national corporations and client states, is the single most important component of the global imperial system.
Nevertheless, it is overly simplistic to overlook the complex hierarchies, networks, follower states and clients that define the contemporary imperial system (2). To understand empire and imperialism today requires us to look at the complex and changing system of imperial stratification.