C the united states entered world war 1
More than 350,000 African Americans served in segregated units during World War I, mostly as support troops. Several units saw action alongside French soldiers fighting against the Germans, and 171 African Americans were awarded the French Legion of Honor.
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A range of cultural, religious, and racial ideologies were used to justify imperialism, including Social Darwinism, nationalism, the concept of the civilizing mission, and the desire to religiously convert indigenous populations.