Congress declared that "a state of war exists" between the U.S. and Mexico, blaming the Mexicans for attacking American forces in disputed Texas border areas.
Source Citation
              Arthur M. Schlesinger, Jr., ed., The Almanac of American History (New York: Barnes & Noble Books, 1993), 251.
Record Data
Date Certainty
              Exact
          Type
          Lawmaking/Litigating