A. G. Hopkins is the Emeritus Smuts Professor of Commonwealth History at the University of Cambridge, an emeritus fellow of Pembroke College, and a fellow of the British Academy. He is the author of American Empire: A Global History, Capitalism in the Colonies: African Merchants in Lagos, 1851-1931, (both Princeton), An Economic History of West Africa, and (with P. J. Cain) British Imperialism, 1688-2015.