What is the point of view of Charles and Mary Beard in "Excerpt from History of the United States" and the
author of "President Polk and the Age of Expansion"
regarding President Polk?

to fight against injustice and class division

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.