The Lusitania - A British liner, sunk by unrestricted submarine warfare, where 128 Americans were killed., The Zimmerman Note - A bid from Germany to Mexico to declare war on the United States., The USS Maine - An American ship claimed to be struck by the Spanish., Imperialism - A policy of extending a country's power and influence through diplomacy or military force., Open Door Policy (Open Door Note) - The policy that China should be open to trade with all of the major powers, and that all, including the United States, should have equal right to trade there., Roosevelt Corollary - 1904 extension of the Monroe Doctrine, stating that the United States has the right to protect its economic interests in South And Central America by using military force., Alfred T. Mahan - Navy officer whose ideas on naval warfare and the importance of sea-power changed how America viewed its navy; wrote "The influence of Sea Power upon History", Spanish American War Effects - US gained Guam, Puerto Rico, Philippines.  Philippine American War leads to pro and anti imperialism debates, Reasons US entered WWI - Sinking of Lusitania, Zimmerman Telegram, Unrestricted Submarine Warfare, Reasons of Imperialism - Military strength, economic motives, racist theories ,

Timeline Tally Part 2

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