Why did the founding fathers feel that a system of checks and balances was necessary in our federal government?

Write a descriptive essay as a participant observer describing the culture and the lifestyle of the lakota tribe based on information from the online link. be sure to read all journal excerpts before writing the essay. when possible, include a description of family, education, religion, economic, and political systems you observed in the excerpts.

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

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.