What musician made records for both white and black music markets?

In societies that had not developed written language, the storyteller kept alive the history of the people

Indicate whether the statement is true or false

Beginning with Constantine, emperors often made treaties with barbarian groups that usually aimed to

A. have the groups defend a section of the frontier. B. incorporate barbarian men into the imperial Roman army. C. bribe the barbarians into returning to their native lands. D. officially recognize the barbarians as Roman citizens.