Original sentence: Arminius (also Hermann, Armin, 16 BC–AD 21) was a war chief of the Germanic tribe of the Cherusci who defeated a Roman army in the Battle of the Teutoburg Forest
Edited sentence: After the Marian reforms German tribesmen were beated by the legions with almost monotonous regularity.And at any rate, by the time of the Principate the Romans already believed they had conquered the best parts of the world, and further conquest was unlikely to have been profitable.Arminius (also Hermann, Armin, 16 BC-AD 21 was a war chief of the Germanic tribe of the Cherusci who defeated a Roman army in the Battle of the Teutoburg Forest.Arminius' role in history has been greatly exaggerated by some.Augustus could rely upon a plentiful supply of family members to wage his wars; Tiberius, who himself campaigned successfuly against Germanic tribes, is a good example.Augustus sought a secure boundary to protect Gaul, and in found this in the Rhine river instead of the Elbe.He was ultimately unsuccessful in creating a united German front against the Empire, and was heavily defeated by Iulius Caesarius Claudianus Germanicus in subsequent Roman punitive operations.It is likely that the real total was far lower, due to a number of reasons such as campaign attrition and disease, and it is possible that Romans were outnumbered.It is unwise to regard Arminius as the sole reason for Rome's change of policy towards Germania; which in the main did not change significantly.Politics also played a factor; the Emperors could rarely entrust a large army to a potential rival.The resources for the conquest of Germany may have been lacking after the great Roman civil wars in the Late Republic and loss of three legions in the Teutoberg Forest, but they were not however lacking later on.This total refers to the theoretical strength of three legions and the attached auxiliary cohorts