What principle of government establishes a system in which state governments and the national government share power?
a. federalism
b. limited government
c. popular sovereignty
d. judicial review

Idon’t understand your question but if u mean the difference in america vs in africa

the imf provides economic advice and loans to developing countries.

economic advice:

policy advice to governments and central banks based on analysis of economic trends and cross-country experiences; research, statistics, forecasts, and analysis based on tracking of global, regional, and individual economies and markets; technical assistance and training to countries improve the management of their economies.

loans:

loans to countries overcome economic difficulties; concessional loans to fight poverty.

these are the goals the fund wants to achive.