The correct answer is A) the role of the US government.
The other options of the question were B) the role of foreign governments. C) the importance of trade. D) the importance of freedom.
Progressive and conservative Republicans disagreed on the role of the US government in the early 1900s.
The confrontation of these members of the Republican party was about the kind of role the federal government of the United States should play to promote the stability and growth of the country. Progressive Republicans favored a more supportive government to promote business and corporations, meanwhile conservative Republicans were in favor of maintaining the political ad social status quo that implied fewer risks.