enrolling in collage
See: Adventures Of A Young Man; by Ernest Hemingway
You could use laddie or chiel
The opposite of "old man" could be "young man" or "boy."
Continent of Eurasia. If no man made fences or signs stopped you, you could drive a car from Vietnam to France. No ocean separates Europe from Asia.
A male junior could be called a young man.
Air Power is a tool. Sea Power is a tool. Land Power is a tool. The war was not won because North Vietnam could not be invaded, enemy man power could not be checked, and nuclear weapons could not be used.
It would depend on the context and specific traits of the young man, but some possible characterizations could be ambitious, kind-hearted, determined, or independent.
'A young man" would be the correct form. The article "a" is used in front of a noun beginning with a consonant (with a few exceptions).
Man vs- Wild - 2006 Vietnam is rated/received certificates of: Australia:PG
'young man' is in Dutch 'jonge man'
young man
See: Statistics about the Vietnam War