From 1878 to 1880, Some Twenty-Five Thousand Blacks from Louisiana

From 1878 to 1880, some twenty-five thousand blacks from Louisiana, Texas, and Mississippi, known as "the Exodusters", were  

A) black church leaders who linked emancipation to the Book of Exodus.
B) black migrants from the South to Northern cities.
C) black freedmen who left the South to seek opportunity in Kansas.
D) a political organization developed by the freedmen.
E) black homesteaders in Oklahoma and Kansas who eventually fled the dust bowl.