Complex sentence: In the 1960s the party did not choose sides in the conflict between the People's Republic of China and the USSR, nevertheless a Maoist group, called Communist Unity Movement of the Netherlands split from the party.
Split into simpler sentences: In the 1960s the party did not choose sides in the conflict between the People's Republic of China and the USSR. Nevertheless a Maoist group, called the Communist Unity Movement of the Netherlands split from the Party.