The migrated to East Africa and displaced other tribes.

If you are talking about european countries coming to east africa and separating people into different tribes then yes that statement is correct. The europeans came to east africa and devided countries like congo, Burundi, Uganda and Tanzania up into different countries and to make things worse they separated the people into different tribes which even started a genocide in Rwanda

Explanation:

c) they were beaten and fired from their jobs.

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.