Final answer:
King Phillip II used force, the Catholic inquisition, and the threat of revolution to maintain power.
Step-by-step explanation:
King Phillip II used several methods to maintain power. One of the main methods was the use of force. Phillip II had a powerful army and used military force to crush any rebellions or uprisings against his rule.
Phillip II also used the Catholic inquisition as a tool to enforce religious unity and eliminate any opposition. The inquisition targeted and punished anyone seen as a threat to the Catholic Church or Phillip II's rule.
Additionally, Phillip II used the threat of revolution as a means to maintain power. He implemented strict laws and regulations to suppress any dissent and maintained a strong authoritarian rule to prevent any challenges to his authority.
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