Conversation so far:
What did Alberto Fujimori do in his second term as President of Peru?
During his second term, Alberto Fujimori and Ecuadorian President Sixto Durán Ballén signed a peace agreement with Ecuador over a border dispute that had simmered for more than a century

Question: What role did Fujimori play?
Self-contained rewrite: What role did Alberto Fujimori play in the peace agreement with Ecuador over a border dispute that had simmered for more than a century?