I believe the answer is idiom, the phrase is not comparing anything so simile and metaphor is out of the question, also personification is giving a non living thing human characteristics.
Plagiarism
If you do not properly quote another person's work it is as if you are stealing their work. This is a serious offense.
2 Seattle is the correct answer. The west point site is located on Discovery Park in the Magnolia District of Seattle.
1, 3 and 4 Tacoma, Walla Walla and, Yakima are incorrect even though those cities are also located in the state of Washington.
