Among the options given on the question it seems the correct answer is option C.
Regulate big business.
Explanation: The "Square deal" was a domestic program which was a plan taken by the US president Theodore Roosevelt to provide equal chance to every one. He was the president of US during 1901 to 1909.
He described his 'Square Deal' program in three basic goals which were conservation of natural resources, control of corporations, and consumer protection.These three demands are often referred to as the "three C's" of Roosevelt's Square Deal. He aimed to help the middle class citizen with giving the equal opportunity to rise.
His plan was also to attack plutocracy and bad trusts while he protected the big businesses from the extreme demand of organized labor.He believed that government should abolish the corrupted connection between big business man and employee.Thus he wanted to regulate the big business with his Square deal plan.
