I believe the answer is: <span>Mills v. Board of Education
In </span><span>Mills v. Board of Education, the court ruled that people with dissabilties have the right to obtain public education even if they do not have necessary fund to pay for the cost. This decision is made on the basis that a nation should always made efforts to help its citizens realizing our true potential.</span>
This is Martin Waldseemüller.
Answer:
This effect is best explained by the facial feedback theory.
Explanation:
The facial feedback theory states that your facial expression influences your emotion and how you feel.
In this scenario, other students in Eileen's class respond to her smile by smiling in response which automatically causes them to feel happy.