How did Biafra and Katanga reflected the challenges to unity that the new African nations faced?

How many races of people have existed on the planet earth to date and how long have the races that are hear today been here? What was one way that slavery in Africa differed from the institution of slavery in Europe or the US? What are the answer for teenbiz300? Why was the Bastille destroyed? Why it was unfair for German Americans to lose their jobs during the world war 1? How did monasteries look after their guests? What civilization successfully located in the Indus Valley? Thirty-four percent of European emigrants between 1851 and 1960 came from where? What is William Lyon Mackenzie King's address? What chores did the kids do in the 19th century? What type of people settled in Newfoundland Canada? The chief source for the study of the caste system during the mauryan period is? Why is useful for historians to base certain studies on the analysis of historical periods? How long did worl war 2 continued after 1942? How many years did it take for colombus reach san salvador? What were colonial sewers called? What did Britain hope to accomplish by providing opium to china? How many days of worldwide peace since 1914? What are three changes in food service during the 20th Century? What world event happend in 2004?