Bantu, The bantu tribe migrated across Africa bringing iron with theim in arround 3000 BC.
Abraham Lincoln did believe that slavery was morally wrong, but there was one big problem: It was sanctioned by the highest law in the land, the Constitution. ... Only with emancipation, and with his support of the eventual 13th Amendment, would Lincoln finally win over the most committed abolitionists.
The answer is c, an alliance is the formal name