One clue word could be the main character saying "well I think" or any disagreement
Answer: It took approximately 1,400 years for the Stonehenge to be built
Explanation:
Hi, the Stonehenge is a prehistoric monument located in southern England.
It consists of a ring of approximately 100 standing stones.
Archaeologists estimate that it took approximately 1,400 years for the Stonehenge to be built. It was built around 5,000 years ago in the late Neolithic Age, during four stages.
Nowadays the Stonehenge is a British cultural icon, and is protected as an ancient monument.