Final answer:
After King Philip bought Bucephalus, he trained and tamed the horse, which became his faithful companion and warhorse in battles.
Step-by-step explanation:
After King Philip of Macedonia bought Bucephalus, he trained and tamed the horse, which became known for its exceptional speed and strength. Bucephalus went on to serve as King Philip's faithful companion and warhorse in numerous campaigns, including the famous battles of Chaeronea and the Battle of Granicus.
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