Chapter 4: Imperialism and Agrarian Capitalism, 1898-1930.City University of New York. Centro de Estudios Puertorriqueños. History Task Force, & City University of New York. Centro de Estudios (1979). Chapter 4: Imperialism and Agrarian Capitalism, 1898-1930. In Labor migration under capitalism : The Puerto Rican experience. New York: Monthly Review Press.