War erupted in Yugoslavia because the country was a <span>multinational state. T</span>he answer to your question is D.I hope that this is the answer that you were looking for and it has helped you.
It was just normal everyone was doing what they normally did on a daily basis until the by hyjackers came along at 8:50 am
A. World War 1 because us Americans and other non-communist countries in Europe were worried that Communism was going to be the nest government for all the world so America especially went into what is known as the Red Scare