It kinda depends on what you mean by special characters
Hello there!
They already gave you the answer just by saying "while serving his or her nation". So, the only way you can serve your nation is when you join the military.
So, the correct missing word is Joining the military.
I hope this helps!
Answer:
D. Algorithms of simple problems are readily available for reference.
Explanation:
Hope this helps you! Ask me anything if you have any quistions!
