Final answer:
Yang Di was the first emperor of the Sui dynasty in China. He consolidated his control over the empire by establishing a powerful centralized government and granting lands to his soldiers. Emperor Wen's strategies helped reunify most of the old Han lands and maintain stability.
Step-by-step explanation:
Yang Di was the first emperor of the Sui dynasty in China. He came to power in 581 and consolidated his control over the empire by establishing a powerful centralized government. Emperor Wen, as he was known, granted lands to his soldiers and periodically moved powerful regional administrators to prevent them from amassing followers and rebelling. This helped reunify most of the old Han lands and stabilize the empire.
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