Answer:
Concrete operational
Explanation:
The concrete operational stage is the third stage of cognitive development stage proposed by Piaget. At this stage, the children show the logical thinking that is related to the conservation principle. They start to think that things are not changing, yet to be changed their physical appearance.  
For example, the quantity of water will be the same whether the container size would exchange. But the quantity of water will be the same. The children who do not develop conservation they still are confused in long container quantity and wide container quantity.  
 
 
        
             
        
        
        
The 1994 congressional effort to convert Aid to Families with Dependent Children (AFDC) to a block grant was the first time an entitlement program was transformed into a block grant. Therefore, the option B holds true. 
<h3>What is the significance of block grants?</h3>
Block grants are such grants that are completely contingent on whether they will be utilized by the government or not. When the AFDC was converted into a block grant from the TANF entitlement program, it became the first ever transformation of its kind done by the government. 
Therefore, the option B holds true and states regarding the block grants. 
Learn more about block grants here:
brainly.com/question/17770080
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The continuation of the balance between slave and free states was important given the nature of the Congress and the balance of power between the competing sides in the issue. ... Compromises were needed to equalize the power between proslavery and antislavery interests in the government to keep the Union together.