Before reconquer the lost territory in Texas, New
Before the United States had entered World War I, Nationalism, Imperialism, Militarism, and the Alliance System were factors of the First World War.France, Great Britain, and Russia were known as the Triple Entente, Allies.Germany, Austria-Hungary, and the Ottoman Empire were called the Triple Alliance, also known as the Central Powers.The United States had declared it self-neutral, not taking any sides.Later, as the war goes on, the United States had entered the war because of the British Blockade, German U-boats, and the Zimmermann Note, also called the Zimmermann Telegraph.The Zimmermann Note is the actual set off the United States involvement in the First World War.
On January 16, 1917, German Foreign Minister Arthur Zimmermann sent a telegram from the German government to the German Ambassador of Mexico.The Telegram was encrypted, using numerical numbers as its code so other countries would not know of what it says.The telegram, however, was intercepted by British Intelligence.British Intelligence had easily decoded the message.
In the telegram it had stated, “We intend to begin on thefirst of February unrestricted submarine warfare. We shall endeavor in spite of this to keep the United States of America neutral. In the event of this not succeeding, we make Mexico a proposal or alliance on the following basis: make war together, make peace together, generous financial support and an understanding on our part that Mexico is to reconquer the lost territory in Texas, New Mexico, and Arizona. The settlement in detail is left to you. You will inform the President of the above most secretly as soon as the outbreak of war with the United States of America is certain and add the suggestion that he should, on his own initiative, invite Japan to immediate adherence and at the same time mediate between Japan and ourselves. Please call the President’s attention to the fact that the ruthless employm