Answer:
it's not know why
Explanation:
Due to slavery.
Due to African Americans joining the war.
Due to segregated units in the war.
Answer:
circulatory
Explanation:
Your hormones are spread throughout your body through your blood (circulatory system)
W.E.B. Du Bis was (he was born in 1868, couldn't possibly be alive today) an American sociologist, historian, author, editor and civil rights activist who was one of the leaders of Harlem Renaissance.
One example was that Serbian nationalists killed Franz Ferdinand, the Crown Prince of Austria, which eventually caused the First World war - involving all the nations around Serbia, most directly Austria and Russia.
Serbian nationalism was also an important factor in the wars in Yugoslavia, for example in the Bosnian War and in the massacres, including the one in Srebrenica. <span />