Answer:
It was a test of strength for the people.
Explanation:
Back in Greek times, people competed in the Olympics. That's where it all started. They would do games in honor of their gods. The main ones they celebrated were:
Nike, goddess of victory
Zeus, lord of the sky
Apollo, god of the sun and music
Hermes, god of thieves.
If you're referring to the militarization and aggression of Germany, there's a lot of debate as to why these nations didn't intervene earlier. The general consensus is that nobody believed Germany would take it as far as they did.