Triple

Target entity: Bourbon monarchy of Spain
Context triple: [Second Family Compact, hasSignatory, Bourbon monarchy of Spain]

• A. Spanish monarchy chosen
  The Spanish monarchy is the hereditary royal institution that has historically ruled Spain, shaping its political, religious, and imperial affairs over centuries.
• B. Habsburg Spain
  Habsburg Spain was the powerful early modern Spanish monarchy ruled by the Habsburg dynasty, which dominated European politics and global empire-building from the early 16th to the early 18th century.
• C. Restoration Spain
  Restoration Spain was the period of Spanish history from 1874 to 1931 marked by the restored Bourbon monarchy, a constitutional system dominated by alternating conservative and liberal parties, and growing social and political tensions that culminated in the Second Republic.
• D. Catholic Monarchy
  The Catholic Monarchy was the composite dynastic union of the Spanish Habsburg and later Bourbon realms, characterized by centralized royal authority and a strong commitment to Roman Catholicism as a unifying political and religious ideology.
• E. Crown of Castile
  The Crown of Castile was a powerful late medieval and early modern Iberian kingdom whose maritime expansion and sponsorship of voyages, including those of Christopher Columbus, made it a central driver of Spanish overseas exploration and empire-building.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.