Criminology is the act of being a criminal is false.
Northerners in America, due to the new rulings of Henry Clay's Compromise of 1850, were required by law to abide strictly by the Fugitive Slave Law and report any runaway slaves they encountered to the proper authorities. This was especially stressing to the many abolitionists in the region.
Answer: The answer is D.
Explanation: They had more opportunities in the United States-especially in the 1800s-mid 1900s, immigrants would immigrate to the United States for better opportunities, because their home country could’ve been in a waging war, in a famine, etc.