Answer:
Jane Addams and Theodore Roosevelt
Explanation:
The Progressive Era in the history of the United States of America spanned between 1890s to the 1920s and there were aggressive political and social reforms which helped the nation grow better in the expected direction.
Jane Addams, born in September 6, 1860 was one of the notable Americans, who were the reformers at that time. She helped the nation by placing emphasis on certain issues affecting mothers ranging from the needs of children to public health of the local inhabitants.
Theodore Roosevelt, born in October 1858 was one of the reformers who dominated the political landscape at that time. He was the 26th president of the United States and he worked towards the realization of fairness in the dealings of citizens, the regulation of rail roads and good drugs and foods.
I think is the second one, two countries impose tariffs on each others products because a trade war is an economic conflict resulting from extreme protectionism in which states raise or create tariffs or other trade barriers against each other.
The answer is 2 debates over the National Banks and tariffs
