Which city was transformed by mansa musa into an architectural showplace and a great center of learning known as the "pearl of africa"?

a. cairo
b. khartoum
c. timbuktu
d. dakar
b/

states

explanation:

as the old saying goes, all politics are local. state and federal governments affect our daily lives in numerous ways. yet, in our federal system, there is supposed to be a balance between federal and state power. as james madison envisioned it in federalist no. 51, “the power surrendered by the people” would be “divided between two distinct governments,” creating a balance of power that would enable the “different governments [to] control each other.”

a.

congress passed laws allowing for free passage between states.