In Piaget's theory, the stage of cognitive development between 7 and 11 years of age, in which an individual becomes capable of logical thought processes but is not yet capable of abstract thinking, is the stage.

Concrete Operational stage

Explanation:

The concrete operational stage represents the third stage in the cognitive development theory of Piaget. This period covers the length of middle childhood ,it starts about 7 years old and lasts until around 11 years old and is marked by the growth of critical thinking. This is the time of life when children start mental surgery, when you control the universe from your mind to resolve issues.

The child makes use logic to solve problems related to his or her own personal experience but has difficulty resolving hypothetical issues or addressing increasingly complex issues.

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”

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