What country or nation would you bring back if you could?

[TheOldNorth]

Prussia.

that would be awesome

[TheOldNorth]

Roman Empire.

only if it doesn't include transalpine gaul, and brittania

[TheOldNorth]

Neither, if they were any good for their inhabitants they would still exist.

sometimes countries fall do to external rather than internal reasons, and were actually pretty good, just militarily outmatched or had bad natural conditions that led to instability

[lonewolf.88]

The Roman Empire and Ancient Greece.

[pulstar]

sometimes countries fall do to external rather than internal reasons, and were actually pretty good, just militarily outmatched or had bad natural conditions that led to instability

They couldn't keep up the pace with more developed part of the world that consumed them. So no, I disagree.

[ShenGjergj]

The Third Reich.

[The Lawspeaker]

The Dutch Republic (not as it was in the 18th century but in the early to mid 17th century).

[Ülev]

Hanseatic League

[MinervaItalica]

Roman Empire.

Also the Kingdom of Italy with its colonies.

[Zmey Gorynych]

Byzantine Empire, the greatest state of its time.