Some African men enlisted for military service during World War II for several reasons, including loyalty towards colonial authorities, propaganda, and a sense of adventure. These motivations often intertwined: many individuals felt a sense of duty to their colonial rulers or were influenced by propaganda that portrayed military service as honorable or beneficial. Additionally, the prospect of adventure and the opportunity for financial gain or other incentives also played a significant role in their decision to enlist.
Therefore, the most comprehensive answer would be: Loyalty towards colonial authorities, propaganda, and a sense of adventure.