Complex sentence: Civil wars, pagan uprisings and the Holy Roman Emperors' attempt to expand their authority jeopardized the survival of the new monarchy, but its position stabilized under Ladislaus I (1077--1095) and Coloman (1095--1116).
Split into simpler sentences: Civil wars, pagan uprisings and the Holy Roman Emperors' attempt to expand their authority jeopardized the new monarchy. Its position stabilized under Ladislaus I (1077--1095) and Coloman (1095--1116).