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The deed Scott v stand Ford case established that those who were black did not have the right to citizenship regardless of if they were free or enslaved. It also had an opinion which stated that the Missouri compromise was unconstitutional.
        
             
        
        
        
In Erikson's Third Stage of psychosocial development, preschoolers are challenged to control their own behavior
This stage is known as the initiative vs guilt stage
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The scarce resource and social rewards are distributed based on the caste system. The caste system divides people on the basis of their caste and the religion which they follow.
 
<h3>What are scarce resources and social rewards?</h3>
Scare resources are limited resources like material, money, and other things in the economy. when the demand for the resources is high as compared to its supply then it is considered limited resources.
Social rewards are the gesture of showing affection and praising the people in society. The rewards can be of different kinds like charity, comparison, community, and others. 
 
Thus, option A is correct.
For further details about the resources and rewards refer to this link :
brainly.com/question/19241540