1. The rise and fall of the great powers: economic change and military conflict from 1500 to 2000 Kennedy, Paul M., 1945- New York : Vintage Books, 1989, c1987. HIST220
2. The origins of the modern world: a global and environmental narrative from the fifteenth to the twenty-first century Marks, Robert, 1949- Lanham, Maryland : Rowman & Littlefield, [2020] HIST220