<em>Optimism</em><em> is determined as an attitude that can affect an individual's physical and mental health positively. It is also responsible for increasing an individual's longevity and reducing his or her stress. However, various psychologists believed that optimism generally signifies the belief of an individual that different outcomes of experiences or events will be considered as positive.</em>
<em>As per the question, Lydia exemplifies optimism.</em>
The Constitutional Convention of 1787 was called to revise the ailing Articles of Confederation. However, the Convention soon abandoned the Articles, drafting a new Constitution with a much stronger national government. Nine states had to approve the Constitution before it could go into effect.
Intrinsic means "internal/inner" here. The satisfaction with oneself for a job well done is an internal motivator, while a pay rise/promotion is a direct outside motivator and good working conditions are an indirect outside motivator.
