Complex sentence: He had no sympathy for the Nazis, which he viewed as coarse and uncivilised, and was unusually outspoken in his distate for the Nazi Party and often came into conflict with them.
Split into simpler sentences: He had no sympathy for the Nazis, which he viewed as coarse and uncivilised. Knappertsbusch was unusually outspoken in his distate for the Nazi Party and often came into conflict with them.