In Erik Erikson's terms, children in elementary school demonstrate when they bend to adult reality and work for what they want.

In Erik Erikson's terms, children in elementary school demonstrate Industry vs. Inferiority when they bend to adult reality and work for what they want.

Explanation:

As per Erikson’s 8 Stages of Psychosocial Development  at  the elementary school stage (ages 6–12), children face the task of industry vs. inferiority.

Children begin to compare themselves with their peers t. They  develop a sense of pride for their accomplishment in their homework's,test., sports, social activities, and family life, or they start  feeling  inferior because they feel that they don’t measure up.

in this part of the declaration it refers to the point when american people didn't recognize the british domain and   breaks the political bands with britain, they forced a respectful separation.

mankind was created and entitled equally with rights   which were life, freedom and the seeking for happiness.