If you are talking about just a state of those three countries they were known as The State of Slovenes, Croats and Serbs. But this country only existed for a few months in 1918, before joining Serbia and Montenegro in the Kingdom of Serbs, Croats and Slovenes, later renamed to Yugoslavia. Those three countries were a part of Yugoslavia until declaring independance in 1990s.
Reception of Refugees 1948-1949: Palestinian Refugees fleeing Israel ended up in Jordan, Lebanon , Syria, and Egypt . In Jordan, certain Palestinians were allowed to apply for citizenship, but the majority were not and they were forced to live in Refugee Camps. Those who did not become Jordanian citizens remain refugees and their children remain refugees to this day. Those who did become citizens have an identifier in their passports saying that they are Palestinian (which opens them up to discrimination).
Black September Sept. 1970 to July 1971: A Civil War in Jordan in which around 15,000 Palestinians (militants and civilians) were killed by Jordanian Authorities after the Palestinian pseudo-state that had developed in western Jordan had attempted to assassinate King Hussein. The Palestinians lost and the militants were forcibly evicted.
They eat the same as any other rabbit: pellets as the main part of their diet with unlimited hay and greens/treats can be given occasionally. For show and brood rabbits, it is often necessary to feed limited amounts of pellet feed. This is to ensure that the dwarf does not become overweight. Pets dwarfs can be free-fed, but again, to have a healthier rabbit a healthy diet amount is recommended.