What does the religion of macumba demonstrate cultural diffusion?

According to the graph above, in which location(s) do at least half of people practice christianity? a. zimbabwe only b. nigeria and mali only c. zimbabwe and south africa only d. zimbabwe, nigeria, and south africa only

Why have the aztec ruins in mexico city not been dug up?

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?