Complex sentence: During the last years of his mayoral term, Kamermayer's health deteriorated, moreover, he had to face with increasingly harsher resistance in the General Assembly, as the Hungarian political life became cloudy nationwide during the premiership of Dezső Bánffy.
Split into simpler sentences: During the last years of his mayoral term, Kamermayer's health deteriorated. Moreover, he faced increasingly harsher resistance in the General Assembly as Hungarian national politics became cloudy during the premiership of Dezső Bánffy.