Complex sentence: Joaquim Chissano represented the Mozambique independence movement, Frelimo, in Paris in the 1960s where he was known as a soft-spoken diplomat helping to reconcile radical and moderate Marxist sections in the Frelimo party.
Split into simpler sentences: Joaquim Chissano represented the Mozambique independence movement, Frelimo, in Paris during the 1960s. He was known there as a soft-spoken diplomat who worked to reconcile radical and moderate Marxist factions of the Frelimo party.