Which of the following government actions is necessary to guarantee the
conditions required for a free-market system?

The correct answer to this open question is the following.

To guarantee the conditions required for a free-market system the federal government needs to have the proper legislation that allows companies to compete in the free market, with minimum intervention of the government. The government has to pay close attention to the way companies perform in the market where supply and demand establish prices. The government is there to avoid the chance of companies creates monopolies, to participate as an intermediary in conflicts, to protect the environment or protect consumers' rights.

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.