I think the answer is B. Spreading of cultures in Africa.
Hope this helps.
Answer:
Nepal is a peaceful nation despite having multi sect people
Explanation:
Yes, Nepal has social harmony. It can be said because being a multi sect nations it is peaceful and united.
The country has people of different culture, races, ethnicity who speaks different languages. Being a feudalistic and distinctively stratified society, it is unified and peaceful.
Answer:
They are too small
Have a great day and don't stress too much
It was used to transport goods, and was also that earliest places know to start civilization. Was later abandoned due to unpredictable floodings