The judicial branch of the U.S. government is the system of federal courts and judges that interprets laws made by the legislative branch and enforced by the executive branch. At the top of the judicial branch are the nine justices of the Supreme Court, the highest court in the United States.
Federal courts enjoy the sole power to interpret the law, determine the constitutionality of the law, and apply it to individual cases. The courts, like Congress, can compel the production of evidence and testimony through the use of a subpoena.
You don't show options, so here are the different definitions
1. "the study of past events, particularly in human affairs."
2. "the whole series of past events connected with someone or something."
3. "a continuous, typically chronological, record of important or public events or of a particular trend or institution."
I believe the answer is D. The way the workers were treated by big business and big industry.