United States and Mexico. Message From the President of the United States, Transmitting, in Compliance With a Resolution of the House of Representatives of the 21st Ultimo, a Report of the Secretary of State Upon the Existing Relations Between the United States and Mexico. April 27, 1838. Referred to the Committee on Foreign AffairsUnited States and Mexico. Message From the President of the United States, Transmitting, in Compliance With a Resolution of the House of Representatives of the 21st Ultimo, a Report of the Secretary of State Upon the Existing Relations Between the United States and Mexico. April 27, 1838. Referred to the Committee on Foreign Affairs