The Southeast Asian Campaigns during World War II involved a series of military operations in the region, primarily between 1941 and 1945. These campaigns were marked by the struggle between the Allied Forces and the Japanese Empire, as Japan sought to expand its territory and control over Southeast Asia, including countries like Malaya, Burma, and the Philippines. Key battles included the Battle of Singapore and the Burma Campaign, where Allied forces faced significant challenges due to Japanese tactics and local conditions. The campaigns ultimately contributed to the broader conflict in the Pacific, leading to the eventual defeat of Japan and the liberation of occupied territories.