The historical roots actually involve several geographical factors.

1. Once an imperialist colony, slaves were sold, the labor force was weakened, and the country was not independent and it was difficult to develop.

2. Hydrological conditions: Water conservancy facilities in sub-Saharan Africa have not been improved or increased since independence (no funds); During the colonial period, the European plague was brought to Africa, and the water spread and the population decreased.

3. Agriculture: mainly tropical immigrant agriculture (original plantation economy), which destroys the environment and the agricultural technology is backward for a long time.

4. Industry: The department structure is single, with oil as the main industry.

5. Diplomacy: Diplomatic strength and status are weak.

Suggestion:

1. Strengthen foreign cooperation and introduce foreign capital.

2. Develop advantageous industries and diversified agriculture.

3. Develop science and technology and optimize industrial structure.

4. Improve agricultural production mode and realize sustainable development.