1) Montenegro
2) Kosovo
3) North Macedonia
4) Albania
Explanation:
On July 19, 2019, Ramush Haradinaj, prime minister (PM) of Kosovo, Serbia’s southern province has stepped down from his post after he was summoned for questioning as a suspect by the Kosovo Specialist Chambers in The Hague, investigating crimes against ethnic Serbs during the country’s 1998-99 war. Haradinaj, former leader of the Kosovo Liberation Army (KLA), took office as prime minister in September 2017.In 2005, he was forced to step down as PM because of a war-crime case against him.Kosovo unilaterally declared independence from Serbia in 2008 and it is recognized by the US (United States) and most of the West, but not by Serbia and its allies Russia and China.