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.
read a book, watch a documentary etc.
Answer:
it's the last one because I looked it up
