My vote is definitely for fire. Learning to first contain and sustain, then how to create fire. Everything else follows on from that.

Cooking food probably started us down a path to become as intelligent as we are today.

And the light allowed us to have free time at night to try new ideas.

And the warmth allowed us to spread out of Africa.

Partial credit!

Little blue dune buggy.

That’s all I have to say.

I don’t see anyone say here that under normal circumstances you have to identify yourself to police upon their request. I’m fairly certain this is true for all Australian states. It certainly is here in Queensland.