But their tactics were certainly impressive. For example, they had one group attacking the Romans by day, the other (The Ghost Warriors), by night. The GW were a special ops group that specialized in nighttime guerilla warfare.
Of course, yes that’s true. Also Arminius had been a hostage in Rome and knew their tactics and weaknesses quite well.
Battle of the Teutoburg Forest
https://en.wikipedia.org/wiki/Battle_of_the_Teutoburg_Forest#Background
Link to a great YouTube video doc included in earlier post.
Something the US hadn’t learned in the WWII Pacific theater.