<span>John Glover Roberts Jr. (born January 27, 1955) is an American lawyer who serves as the 17th and current Chief Justice of the United States. He took his seat on September 29, 2005, having been nominated by President George W. Bush after the death of Chief Justice William Rehnquist</span>
The Sherman Antitrust act was created for that purpose, but it was also supported by the Clayton Antitrust Act which came later on. Roosevelt was known as "Teddy the Trust-Buster" for his strict enforcement of these acts.
usually if you look it up they will give you essays on it. which might be more helpful