The message below was sent in secret code by the foreign minister of germany to the german ambassador to mexico in january 1917. it was discovered and deciphered by the british government. "we intend to begin on the first 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. call the president's attention to the fact that the ruthless employment of our submarines now offers the prospect of compelling england in a few months to make peace." what was the impact of the publication of this letter? a. mexico allied with germany in world war i b. american public opinion was outraged against germany c. the united states senate immediately declared war on germany d. the united states paid mexico compensation for its lost territories