I found the answer on the internet. The question starts with "The" and not "He".
The original party system in the United States pitted the federalists, supported by MERCHANTS, against the Jeffersonian republican, supported by AGRARIAN INTERESTS.
Federalists were the supporters of the proposed Constitution of the United States. The Agrarian interests mean the agricultural interests that consisted of Agrarian Society.
Answer: (d.) MERCHANTS, AGRARIAN INTERESTS
Legislator goes to Office of Legislative Counsel*. There, attorney advises legislator on legal issues and drafts a bill.
He was impressed that Englishmen followed the law.
The most significant contributing factor to the Steel Strike of 1919 in the US was the end of World War I, which left many of those workers who had unionized in federal unions with less opportunities for work then prior and during the war.