...erica. Whereas, by an act of Congress, approved April 25, 1898, it is declared that war exists, and that war has existed since the 21st day of April, A. D. 1898, including said day, between the United States of America and the kingdom of Spain; and, Whereas, it being desirable that such war should be conducted upon principles in harmony with the present views of nations and sanctioned by recent pract...