Final answer:
Soldiers wore bright colors to spot one another easily during battles and prevent friendly fire incidents.
Step-by-step explanation:
The main reason soldiers wore bright colors was to spot one another easily during battles. In earlier times, uniforms were not standardized, and soldiers on the battlefield often wore similar colors. By wearing bright and distinct colors, soldiers could quickly identify their comrades and prevent friendly fire incidents. It also helped commanders in coordinating their troops and maintaining formation.
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