1. The two different groups are planters and overseers and they were differentiated by which person had more money and property.
2. The Southern class order were planters, small farmers, tenant farmers, and slaves.
3. In the mid-1800s, prisoners were given special training and therapy
        
             
        
        
        
Answer:
Definition: To carry from one place to another by means of a vehicle.
Importance: It manages traffic flows, and also enables the undisturbed and steady movement from one place to another.
Explanation:
 
        
                    
             
        
        
        
British Royal Navy introduces a newly created convoy system, whereby all merchant ships crossing the Atlantic Ocean, and it was <span>successful.</span>
        
             
        
        
        
Answer:
3
Explanation:
Conditioned
learned: originally the newspaper didn't cause a fear response, but after repeated pairings, it caused a fear response in the puppy