Answer:
It was built to protect their territory
Explanation:
He is trying to narrow a general topic by listing subtopics.
Life is like a fine line
There would be good and bad times
But you never get to choose what you want
But one day everyone will have a thought
And in that thought will be regret
Because you never choose what you want or get
To express his enthusiasm for American musical traditions, composer George Gershwin wrote Rhapsody in Blue in 1924.