It is not a religious war. Was it a religious war when the indigenous peoples elsewhere fought against the invaders? Palestinians are no less passionate about their land than the Lakota or Zulu.

“Let us not ignore the truth among ourselves … politically we are the aggressors and they defend themselves… The country is theirs, because they inhabit it, whereas we want to come here and settle down, and in their view we want to take away from them their country. … Behind the terrorism [by the Arabs] is a movement, which though primitive is not devoid of idealism and self sacrifice.” — David Ben Gurion. Quoted on pp 91-2 of Chomsky’s Fateful Triangle, which appears in Simha Flapan’s “Zionism and the Palestinians pp 141-2 citing a 1938 speech.