I am not sure but I think it’s a
The answer is:
These lines from "Sir Gawain and the Green Knight" refer to the nick on Gawain’s neck as a result of the Green Knight’s blow and to the green girdle that he wore as a reminder of his shame.
The Green Knight acknowledges his real name is Bertilak, the master of castle where Sir Gawain has just stayed. Because Sir Gawain fails to be completely honest, he guiltily wears the Lord's wife's girdle as a punishment for his lack of success.
Answer: 20 Years
Explanation: It took 20,000 workers around 20 years to build the Great Pyramid. Its construction began around 2580 BC, shortly after Khufu became pharaoh, and was completed around 2560 BC.
It was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.
