To lead the senate. Most of the time they break a tie
        
             
        
        
        
Answer:
Group polarization is the correct answer. 
Explanation:
 
        
             
        
        
        
Answer:
d. interaction between a child and skilled people.
Explanation:
Vygotsky attributes cognitive development of a child to the interaction of that child with the environment and with the people who are more skilled than the child. The idea is that the child gains new skills from the people around them in a way of skill transfer. Hence, it can be suggested that the child learns through social interaction. Among the provided options, interaction between a child and skilled people best describes Vygotsky's suggestions regarding cognitive development.