The historical event was the basis for the lead and the odyssey is Trojan War
It is defining.
Defining relative clause does not have a comma, while a non-defining relative clause has.
For example, if the sentence is:
The children, who hate chocolates, are uncommon.
- since there is comma in this sentence, it is non-defining.
- while if there is no comma like the question in the picture, it is defining.
Many topics from "The Things They Carried" are still relevant today, the constant theme is the horrors of war, and how they affect ill-prepared men, both physically and mentally. Many of the items they carry are symbolic as well as practical, used as a reflection of their own battles, and serve as a bridge between their fantasy world and reality.
Ultimately, their psychological baggage becomes the hindrance that leads them to their death.
The purpose of a descriptive essay is to reveal the meaning of a subject through detailed, sensory observation of course.