What was the justinian greatest achievement as emperor

Multiple choice. what was one effect of the emancipation proclamationa. european nation side with the confederacy b. it ended slavery in the union c. african americans could serve in the union army d. ending slavery became a goal of the civil war for the union

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

List of social classes of the shang dynasty in order ?