How long did charlemagne’s empire have an influence on europe?

a - for decades, until charlemagne’s death
b - until the catholic church lost power
c - for more than eight hundred years
d - for at least one hundred years after charlemagne’s death

during the great migration, african americans began to build a new place for themselves in public life, actively confronting racial prejudice as well as economic, political and social challenges to create a black urban culture that would exert enormous influence in the decades to come

the last one france and britain i believe is your answer.