Which of the following is a development associated with Aztec civilization, the Roman, empire, and the reign of the czars in Russia ?

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.

i do not know? i think i have seen this before though h?