PLS ANSWER Why is Africa’s Sahel region decreasing in size?

deforestation
desertification
increasing rainfall
a growing population

Identify the constitutional principle that is common in both this excerpt and federalist no. 51. based on the constitutional principle identified in part (a), explain how the perspective in this excerpt compares with the perspective in federalist no. 51. explain how the constitutional principle identified in part (a) is reflected in the constitution, including two examples to explain how it affects the u. s. political system