The translation is Why do you think Africa has been denied its history?
I believe Africa is being denied its history because of the slavery that happened. I think that other countries do not want to be seen as mean or cruel. I hope this helps.
10:30-D
2:20-C
6:47-A
8:35-B
11:50-E
2: Es; because it is one(not plural)
The correct answer is
Las compañías que reducen su consumo de energía al usar servidores virtuales. Los centros bancarios virtuales ahorran papel
