The first civilizations didnt use metal very often, but when they did it was usually for farming tools.
Because it was mainly Europe that was Christian. Asia was for example mostly Buddhist, Confucian, and Hindu. The Middle East and Northern Africa was Islamic. The rest of the world was influenced by Europe and it’s Christianity.
Slaves were not treated as equals, slaves are already beaten, a man will only pay half the price because the slave isn’t that important, but is still important a bit for the other person to pay half the price, because the slave works and works day and night for their master.that’s all they were considered useful for.
The answer is, b. he covered up evidence of criminal wrongdoing.