Answer:
I believe the answer is C because the court ruled that he was not a free man because 1. He was a slave and the court believed that if you were black, then you were not a n American Citizen and 2. He was the property of his own. Sorry, I could be wrong tho :(
Explanation:
A military action the added territory in the United States in 1848 was the Treaty of Guadalupe Hidalgo. It ended the Mexican-American war and added the territories California, Arizona, Colorado, New Mexico, Nevada, Utah, and Wyoming.