1. What is an aqueduct? What makes the Croton Aqueduct an aqueduct?
An aqueduct is a kind of source that carries water from one places to another. It's like a start point and an end point. So what makes the Croton aqueduct an aqueduct is that it travels from Croton, along the Croton River, and end up in Central Park.
2. Why was the Croton Aqueduct built? What need was it constructed to fulfill?