Answer: He ordered to break the union
Explanation:
Aware of the contract between the union and Carnegie Steel was expiring on July 1, 1892, Andrew Carnegie ordered his operations manager, Frick, to dismantle the union. Frick´s reduced wages were rejected by the union, so the workers were locked out of the plant by Frick, and 3,800 workers were fired and 300 Pinkerton agents were hired to seize the plant. The union responded with the Homestead Strike, which sparkled a violent confrontation that had many Pinkerton agents as well as strikers killed or injured.
I think it would be the third one
C. engaging in a style of publishing called "yellow journalism"
Both men were newspaper publishers and in the late 19th century, their papers began to compete with each other. As a result they began to use "yellow journalism" (which is a lack of substantial, researched news combined with flashy headlines) to gain a larger readership.
