The correct answer is option D - The Peace Corps.
The Peace Corps program was established by executive order on March 1, 1961.
John Kennedy encouraged men and women to dedicate themselves to the cause of peace and development. He wanted the Americans to involve more actively in the cause of global democracy, peace, development, and freedom. So he challenged them to serve abroad as doctors, engineers, and technicians among others.
Volunteers work in many different fields such as education, HIV training, agriculture, health, business, etc.
This doesn't occur before the formal operational stage.
According to Jean Piaget, a Swiss psychologist, every person goes through 4 developmental stages:
- sensorimotor : birth - 24 months
- preoperational: 24 months - age 7
- concrete operational: 7 - 14
- formal operational: adolescence - adulthood
Only when we reach the final stage of development can we put ourselves in somebody else's shoes and see things from their perspective, according to Piaget.
Marbury v. Madison was what established judicial review.
The answer is the luckiest