USM Open Source History Text: The World at War: World History 1914-1945Main MenuIntroduction: A Mural as WindowOn Diego Rivera's Detroit IndustryThe World Around 1914, Part I: the Journey of Young GandhiThe World Around 1914, Part II: The Era of Nationalism and Imperialism (1848-1914)The First World WarThe Long Russian Revolution (1917 – 1929)The Decline of the West? Europe from 1919 – 1929A New Middle East: The Rise of the Middle East State SystemChina Between Qing Collapse and WWIILatin America Between Boom and Bust (1911-1929)Africa Under Colonial Rule: Politics and Race from 1914‐1939The United States from The First World War to the Great DepressionThe Great DepressionThree Varieties of Radicalism in the 1930s: Nazi Germany, Stalinist Russia, and Imperial JapanThree Responses to Modernity: Ho Chi Minh, Ibn Saud, and Getulio VargasThe Second World WarSeth Rogoff5f001fc099cd635507b143be056702764af6929c
Pre-Petroleum Era
12017-07-26T22:48:01-07:00Seth Rogoff5f001fc099cd635507b143be056702764af6929c192373plain2017-07-26T22:56:22-07:00Seth Rogoff5f001fc099cd635507b143be056702764af6929cIn the pre-petroleum era, naval power depended on coal power. At the beginning of the 20th century, political and economic power depended on control of the seas and the principal sea-based trading routes. While freedom of the seas is a core principle of post-1945 liberal order, naval and commercial power on the seas is still vitally important. Indeed, the vast majority of the world economy's goods are still transported by sea to market.
