Answer:
B)
Explanation:
Negro exodus or Exoduster Movement represents the first migration of African Americans and people gave them the name Exodusters.
 They migrated from Mississippi River to Kansas. This event was in 1879. and the factors for migration were discrimination, racism and also lack of opportunities. About forty thousand Exodusters left.
 
        
             
        
        
        
Answer:  
 Strong position power high task structure, good leader-member relations.
Explanation:  
The contingency model was proposed by Fiedler in 1960. This model describes the personality and leadership qualities of a person. The effective way of leadership based on the situation rather than there is one of the best leadership styles. There is no one is the best leadership style. Best leadership style based on two factor  
- Situational favorableness  
 
It has been believed that leadership is a static style that can be measured by a scale that was proposed by Fiedler Least-Preferred Co-worker Scale.  
  
 
 
        
             
        
        
        
Employees or coworkers dating one another
        
             
        
        
        
Answer:
C. Conservation  
  
Explanation:
Conservation is a stage that occurs in the concrete operational stage. In this phenomenon, the conservation is to understand the quantity stay the same even if the appearance has been changed of the objects. If technical we try to understand it is about to understand the redistributing the materials. 
The distribution of the object does not affect by the number, mass, and length and its volume. Around seven-year, children understand the conservation of whether the appearance has been changed. Five-year children do not develop conservation so they think there is a difference in the quantity of water if the appearance has been changed. 
 
        
             
        
        
        
The answer in the space provided is Charlemagne. Charlemagne
is also known as the Charles the great in which is the number one Charles who
reign as the king of franks and that he was responsible for providing or
establishing unity of Europe during the early middle ages.