The forces took part in the Battle of Salla and the Battle of Petsamo.

Entity and relation annotations:
id: 0
type: entity
value: text: the Battle of Petsamo
labels: <Event>
id: 1
type: entity
value: text: the Battle of Salla
labels: <Event>
id: 2
type: entity
value: text: Salla
labels: <Location>
id: 3
type: entity
value: text: Petsamo
labels: <Location>
type: relation
to_id: 2
labels: Event:Occurs_at:Location
from_id: 1
type: relation
to_id: 3
labels: Event:Occurs_at:Location
from_id: 0