<span>It increased the speed of harvesting because mechanization helps get harvesting done quickly and efficiently.
</span>
Correct Answer:
Option D: Queen Nzinga
Queen Anna Nzinga also known as Queen Njinga Mbande was a 17th century queen of Central Africa. She led the resistance campaign and fight against Portuguese and against slave trading for several years.
The death of Kublai Khan in 1259 marked a major turning point because up to his death, the Mongol Empire was more or less constantly expanding. However, with his death, things started becoming worse and worse eventually as the empire became to big for one emperor to hold it.
