sentences:  The U.S. tried to prevent it by forwarding Israel a message from King Hussein.Israeli Prime Minister Levi Eshkol called in the cabinet for further counseling; only the National Religious Party leader Haim-Moshe Shapira vocally opposed the attack, while Education Minister Zalman Aran opposed it too but remained silent.There was an intelligence informant who was a former Fatah member, code-named "Grotius" who was said to be familiar with the base in Karameh and its surroundings.