Because there was gold on their land, so they had to move for the Americans.
Serbia and Montenegro spit definitely in 2006, although the country was before called "Serbia and Montenegro", and there were clear boundaries between the territories.
Kosovo is, depending on the point of view, a independent country in the Balkans, with an Albanian population, or a part of Serbia.
The thing is that Serbia has no de facto power over Kosovo, and Kosovo is de facto independent, but on the international stage not every country recognizes Kosovo as an independent country.
<span>Nativist sentiment was arguably the strongest with potential for violence in America during the 18000's. The county was undergoing a large amount of political change coupled with socio-economic and racial change. Additionally the amount of immigrants and national subcultures that existed strongly resisted change from new groups entering the nation during that time.</span>