Simplify the following text for a Grade 8 native English-speaking person.
Original: Of the 12,000 French prisoners taken by the Viet Minh only 3000 survived . At the Geneva Conference the French negotiated a ceasefire agreement with the Viet Minh .
Simplified: The Viet Minh had been founded in 1941 by the communist party and was led by Há '' `` ChÃ Minh .