Answer:
lee surrendered (3)
Lincoln assassinated (4)
Union forces captured Richmond (2)
Sherman made March to the Sea  (1)
Explanation: i just did it 
 
        
                    
             
        
        
        
The region of the brainstem that plays a role in arousing you to a state of alertness would be the reticular formation. It is responsible in regulating the sleep cycles and in detecting sensory conditions. It consists of more than 100 neural network that are for various functions.
        
             
        
        
        
I believe it's A j might be wrong though
        
             
        
        
        
Answer:
secondary succession
Explanation:
secondary succession occurs after a major natural disturbance in the environment, but the soil is still there afterwards so its faster then primary.