One of the Factors Complicating Israeli Politics Was

One of the factors complicating Israeli politics was

A) that a majority of the population were Palestinians, many of the Muslim.
B) the lack of any commitment to democratic procedures.
C) proportional representation in the Knesset, often giving fringe parties an effective veto on the policies of the center parties.
D) the lack of support from the United States.
E) the failure of foreign Jews to support Israel with either money or by immigration.