Write a summary on the divisive politics of slavery?

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.

How do state and federal courts differ in the united states

The chinese exclusion act was the first significant law restricting immigration into the united states. why do you think the us government singled out chinese immigrants in particular for exclusion?