Answer: I think the answer is number 2. I could be wrong. I've done the reading a stuff before but that was a little while ago
Explanation:
Hope it somewhat helps lol.
ANSWER: The tank was developed as a means to break the stalemate on the Western Front in World War I. Military technology of the time favored the defense. Even if an attack did succeed, it was almost impossible to exploit the breach before the enemy rushed in reinforcements to stabilize the front.
EXPLANATION: HOPE THIS HELPS!