Answer:
The correct answer is B) on the river in boats
Explanation:
The Congo River is one of the largest rivers in the world and it is officially records as the deepest in the world as well.
The Congo River basin covers an area that is larger than the whole country of India. As such, the region has a distinct culture that has evolved around millennia.
While cities and villages have grown around the area, travelling on the basin requires boats.
Answer:
It was, why was it a problem?
Explanation:
It was primarily "<span>d. the vulnerability to invaders from the north", since the Mongol territory was rapidly expanding--making the Mongol warriors all the more powerful. </span>