3. Why was the Marbury v. Madison ruling a tuming point for the nation?
A. It reinforced the executive branch as the strongest branch of the government.

B. It gave Congress the power to regulate commerce between states.

C. It was the first time a state law was declared unconstitutional.

D. It established the importance of the judicial branch.

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.

Each of the following countries was part of the big four at the paris peace conference except a. russia b. italy c. germany d. britain

Conflict resolution can be difficult. which of these is the best example of how the us congress resolves conflict instead of always using a majority vote?