What did christiaan barnard first attempt to do to a human being in the south africa

he was a South African cardiac surgeon who performed the world's first highly-publicized heart transplant and the first one in which the patient regained consciousness.

Explanation:

answer; ///(1) blank; henry clay; (2) blank; secretary of state; (c)is your answer; ///good luck

it affected it because the kingdoms (with trade) slowly got richer and richer.