Final answer:
Philip II succeeded Felipe IV as king of Spain, bringing national unity and strengthening Spain's American empire.
Explanation:
Philip II became the king of Spain after Felipe IV. Under his rule, Spain saw national unity and strengthened its hold on the American empire. Known for his dedication to bureaucracy and absolute rule, Philip II ruled from 1556 to 1598.
Learn more about Succession of Kings in Spain here:
https://brainly.com/question/43573065
