sentences:  Several countries once had diplomatic relations with Israel, but have since broken or suspended them (Bolivia, Cuba, and Venezuela in Latin America; Mauritania in the Arab League; Mali and Niger in non-Arab Africa; and Iran until the Islamic revolution).Some of these countries have since resumed relations.In addition, a number of countries (all members of the Arab League) that at one time had formal economic ties (primarily trade offices) with Israel that fell short of full diplomatic relations, have severed such ties (Bahrain, Morocco, Oman, Qatar and Tunisia).