Both state and federal have the government have the power to

Both state and federal government have the power to levy taxes, establish courts, builds highway, make and enforce law, to borrow money, send money for the betterment of the general welfare of the citizens and to charter corporations. These powers are overlapping.

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

b) brahmans   is nomadic society