According to Document 5, it is highly unlikely that Spain was responsible for the sinking of the USS Maine. While the cause of the explosion remains unknown, a naval court of inquiry determined that the ship had hit a submarine mine, and others believed there was an explosion in the coal bunker. The yellow press, however, immediately blamed Spain and urged the U.S. government to go to war. Despite the Spanish government agreeing to almost everything the U.S. had demanded, a wave of popular sympathy for the Cubans and indignation against Spain mounted. President McKinley asked Congress for a declaration of war, and it quickly complied. Therefore, while the cause of the explosion remains a mystery, there is no evidence to suggest that Spain was responsible.