Answer: True
Explanation:
The Woodland Indians which included the Iroquois practiced a form of war known as MOURNING WARS where they invaded or went to battle, not to claim land like the Europeans but rather to avenge the death of a loved one.
Captured combatants were regularly assimilated to replace the dead loved ones and no lands were claimed.
This changed after they met the Europeans and they gradually began to seize land and establish trade centres.