Book excerpt: How did the modern world get to be the way it is? How did we come to live in a globalized, industrialized, capitalistic set of nation-states? Moving beyond Eurocentric explanations and histories that revolve around the rise of the West, distinguished historian Robert B. Marks explores the roles of Asia, Africa, and the New World in the global story. He defines the modern world as marked by industry, the nation state, interstate warfare, a large and growing gap between the wealthiest and poorest parts of the world, and an escape from environmental constraints. Bringing the saga to the present, Marks considers how and why the United States emerged as a world power in the 20th century and the sole superpower by the 21st century; the powerful resurgence of Asia; and the vastly changed relationship of humans to the environment.