Advantages that corporations brought to the United States included: (1) decreased unemployment, (2) lower prices, (3) reduced competition, (4) quality goods, (5) a larger variety of merchandise, (6) increased production

1,2,4,5,6

Explanation:

A corporation is a legal entity created by individuals, stockholders, or shareholders, with the purpose of operating for profit. Since it's a large firm, it helpes to increase employment rate, make quality goods available for consumers at cheaper rate in different varieties at an increased production circulating the population.

answer; /// i do believe that the correct answer is (d) majority vote as an approval requirement;