By 1860, there were almost four million enslaved African American people in the United States. What is an enslaved person?
A. a person who works for someone else for 4 to 7 years
B. a person who is owned by someone else
C. a person who is a criminal
D. a person who is drafted into the army
Identify the correct option from the choices provided and respond with the letter of the correct option.

B