Which statement best describes the effects of drought, desertification, and erosion on the people who live in the sahel on the edge of the sahara desert?
a) these factors have led to warfare between tribes in the region.
b) these factors have caused a great migration of people from the region.
c) these factors have caused the united nations to declare the region endangered.
d) these factors have led to hunger in the region because of a lack of arable land.

D) These factors have led to hunger in the region because of a lack of arable land.

Explanation:

There is a process of desertification in the Sahel, caused by activities such as overgrazing and deforestation. With less vegetation, there is less soil transpiration and evaporation, causing less rainfall. Then, subsistence agricultural crops fail and livestock perishes, leading to famine and hunger among populations.

from the conditions of the working class in england by friedrich engels,the main idea is :

the chinese communist party (ccp);

explanation: