Complex sentence: They are sometimes associated with views that could be regarded as nationalist or Zionist, and have shown a preference for coalitions with more nationalist Zionist parties, probably because these are more interested in enhancing the Jewish nature of the Israeli state.
Split into simpler sentences: They are sometimes associated with views that could be regarded as nationalist or Zionist. They prefer coalitions with more nationalist Zionist parties, probably because these are more interested in enhancing the Jewish nature of the Israeli state.