How did Philip the second build Spain’s power?

By marrying into other European royal families
By signing peace, treaties with another ones in Britain
By spending money on the arts
By performing alliance with the ottoman Empire

Philip II built Spain's power primarily through marrying into other European royal families, signing peace treaties with other nations such as Britain, and forming alliances with the Ottoman Empire. Additionally, he also spent a significant amount of money on the arts, which helped to showcase Spain's wealth and power to the rest of Europe.