The correct answer is B) The conflict marked the end of Spain's reign as a major imperial power.
The War of Spanish Succession affected Spain's role in global relations in that the conflict marked the end of Spain's reign as a major imperial power.
The War of Spanish Succession was the conflict to find the successor for the throne of Spain after the death of King Charles II in 1700, who had no successor in line. France, Great Britain, and the Dutch Republic claimed the throne. One result of the War of Spanish Succession was that it marked the end of Spain's reign as a major imperial power.