Name three technologies or building and craft materials used by the Harappans of the Indus Valley

Bronze and copper, multi-storied brick buildings, drainage systems, written language.

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Explanation:

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 believe the answer is d.