Sundials and shadow clocks were used during the day. Merkhets were used at night.
The most important river in West Africa is the Niger, since it is this river that has contributed most to the development of many African nations.
Answer:
With the country industrialization railways were built and that connect the entire country, south to north and that connection allowed resource and raw material, energy(coal) and specially workers to travel around the country
Explanation:
