There were actully 4. Romania, Serbia, Montenegro, and Bulgaria. This was because of The Congress of Berlin.
Usually, kids at this age are easily influenced by anything they see, either in their life, or on TV. So they will often try to imitate what happens on TV, whether consciously or unconsciously, that is not that important. Also, many studies have dealt with this question, and whether or not violence on TV actually causes violence of people in real life, but the results were always inconclusive.
Answer:
Because at the time, the American army was still segregated, and African Americans were discriminated in the army, even if they provided the same service for the country during the war against Germany and Japan.
Fortunately for African Americans, the army was desegregated after the war, and in the following decades, the Civil Rights Movement would lead to desegregation in most public and private places across the country, especially in the South.
