In empirical research, you use your direct observation or experiences as your data.
So for this research to be considered an empirical research, Aaron need to directly collect his data by immersing to the society and not rely on only literatures.<span />
A. represents suspected law breakers in court. District attorneys help prevent people from havign a red mark on their records.
Answer: The Fugitive Slave Act required all citizens to assist in the capture of escaped slaves, which the North didn't approve of, as they wanted to end slavery.
Explanation: In many history classes, you'll be taught that the North wanted to free all the slaves and <em>opposed</em> the South's cruel use of slavery, although all states similarly took advantage of those who were slaves.
If the Northern states were to <em>approve</em> of the Fugitive Slave Act, they'd want to support slavery in the South, which wouldn't connect to what you'd be taught in school.