Answer: That is The Yangtze river
Explanation:
This river in the picture is The Yangtze river or ''Changijang'' in Chinese.
 The English translation of this river is the ''long river'' and this river is the longest in China and Asia. It is the third-longest in the world.  
This river is one of the major in transport, shipping, cruising, ferries and it's always busy. 
 
        
             
        
        
        
Answer:  Abolitionist John Brown lead a small group on a raid against a federal armory in Harpers Ferry, Virginia, in an attempt to start an armed slave revolt and destroy the institution of slavery.
Explanation:
 
        
             
        
        
        
Answer:
  the type of reinforcement is a determinant of stimulus control 
Explanation:
                      Appetitive situations are such which the situation that requires to fulfill the body needs. Appetitive situations are mainly controlled by visuals indications or cues. For example, when we are hungry, by seeing food makes us feel more hungry which is increases the effectiveness of food.
                   And aversive situations are considered as unpleasant stimuli that makes us to change our nature or behavior through positive punishment or negative reinforcement .
                  Thus this stimuli demonstrates the type of reinforcement which affects the outcome of any stimulus control.
Hence the answer is --
"  the type of reinforcement is a determinant of stimulus control "
 
        
                    
             
        
        
        
Answer:
The West pulled up with the Calvary and stopped East Germany from invading West Berlin.
Explanation:
They had guns and horses and weapons of warfare unlike anything the world had ever seen before, so they were scared.