In the Square Deal, President Theodore Roosevelt promised to:

All of the above

Explanation:

A, P, E, X

Theodore Roosevelt's Square Deal is the popular name given to a series of different programs of his domestic legislative agenda, impregnated with the sense of fair play and egalitarianism. They included:

- The Northern Securities case;

- the Elkins and Hepburn Acts;

- the creation of the Bureau of Corporations.

Trustbusting was a major line of action of TR, who aspired to address the imbalance of power between corporations and common citizens. Some scholars have divided the Square Deal into three C's: consumer protection, corporate regulation and conservationism.