Answer:
Slaves were used for manual labor
Explanation:
 
        
             
        
        
        
Since moist water come from warm air, I would say the air would be going down.
        
             
        
        
        
Answer:
Correct option is D
Explanation:
Manifest destiny was a widely held belief in the 19th-century United States that its settlers were destined to expand across North America. There are three basic themes to manifest destiny:
 • The special virtues of the American people and their institutions
 • The mission of the United States to redeem and remake the west in the image of agrarian America
 • An irresistible destiny to accomplish this essential duty.