The grieved land by agostine neto​

Explanation:

The main theme of grieve flows from title of the poem. The poet grieves over the ” ancient and modern slave ” experiences in the lands of Africa. He bemoans the untold sufferings, loss of lives, asset and the cultural heritage of the peoples of Africa sacrificed on the bloody altar of western colonialism.

the answer is b. i'm positive it's that answer.

the longest time is 123 years