Imperial Metabolism
The chapter presents a theoretical framework for the comparative study of imperialism, viewed as strategies used by expansive states to appropriate resources from their hinterlands. It interprets imperial projects as ecological phenomena and focuses on their material metabolism based on the redistribution of labor and land. A cursory review of the history of six empires (Han China, Rome, Inca, Aztec, Spain, and Britain) illustrates some continuities and discontinuities in imperial strategies through more than two millennia of world history. The emphasis is on how energy, land, and labor are appropriated and how such appropriation is legitimized ideologically. Imperial strategies are roughly categorized as agrarian, mercantile, industrial, or financial. Special attention is given to the role of technology in the expansion of the British Empire. Industrial technologies are reconceptualized as strategies for locally saving human time and natural space at the expense of time and space lost elsewhere in the world-system.