https://www.youtube-nocookie.com/embed/b7SA_5WeGZ0
Further reading:
Anatomy of the State by Murray N. Rothbard (Chapter 3 in Egalitarianism as a Revolt Against Nature, and Other Essays)
The State: Its History and Development Viewed Sociologically by Franz Oppenheimer
War, Peace, and the State by Murray N. Rothbard (Chapter 5 in Egalitarianism as a Revolt Against Nature, and Other Essays)
The Costs of War by John V. Denson
Great Wars and Great Leaders: A Libertarian Rebuttal by Ralph Raico
A Century of War: Lincoln, Wilson and Roosevelt by John V. Denson
Depression, War, and Cold War: Studies in Political Economy by Robert Higgs
Crisis and Leviathan: Critical Episodes in the Growth of American Government by Robert Higgs
Against Leviathan: Government Power and a Free Society by Robert Higgs
Neither Liberty nor Safety: Fear, Ideology, and the Growth of Government by Robert Higgs
Delusions of Power: New Explorations of the State, War, and Economy by Robert Higgs
Death by Government: Genocide and Mass Murder Since 1900 by R. J. Rummell