What western African civilizations treated with Arab merchants?

Europe and asia are divided by a. the alps c. the pyrennes b. the northern european plain d. the ural mountains select the best answer from the choices provided a b c d

What was an important consequence of the neolithic revolution? ):

In what ways were the rock ‘n’ roll musicians and the beat poets of the 1950s similar and different? support your answer with details from the text.