How did the debate over slavery affect kansas during the 1850s

Which statement best describes the relationship between the fifth and fourteenth amendments?

How different might ayuba's experiences of slavery have been had he been sold in jamaica rather than maryland?

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.