Answer: the United States acquired Puerto Rico, Guam, and the Philippines as territories.
 
        
                    
             
        
        
        
Answer:
The Emancipation Proclamation was an executive order issued by Abraham Lincoln on January 1, 1863. It proclaimed the freedom of slaves in the ten Confederate states still in rebellion. It also decreed that freed slaves could be enlisted in the Union Army, thereby increasing the Union's available manpower.
Explanation:
 
        
                    
             
        
        
        
The U.S. in 1846 was not justified in going to war with Mexico, they didn't have justification to respond with violence.
        
             
        
        
        
Serfs were mostly peasant farmers who provided labor in their masters land. Peasants would pay the lord by working for them in exchange to use their lords land to generate their own food. Serfs did not have money. they were basically slaves. They would work at least three times a week. The serf was bound to work in a single manor. The status of serf was passed down to their children.
        
             
        
        
        
The answer is C former slaves fighting in the Union army were essential to several Northern Victories.