Complex sentence: Throughout his career, Krenz held a number of prominent positions in the Communist regime, and was deputy of Erich Honecker and thus the second most influtential politician in the GDR from 1984 until he succeeded Honecker 1989 amid protests against the regime.
Split into simpler sentences: Throughout his career, Krenz held a number of prominent positions in the Communist regime. He was deputy of Erich Honecker and thus the second most influtential politician in the GDR from 1984 until he succeeded Honecker 1989 amid protests against the regime.