The kentucky virginia resolutions were a series of laws passed by Congress true or false

Here’s the first one let me send the next page of the passage

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.

What is one example of trench warfare ?