What was the biggest collective coalition or alliance in history?

What was the biggest collective coalition or alliance in history?
Which group of countries allied together to form the largest and most powerful force of all time?

I mean contextually for their respective time, not against one another.

The International Space Station.

Shit is so fucking cash.

Else, it probably was the Capitalist/Communist/Third World Undecided Countries.

NATO

I assume you're talking about military alliance/coalition

NATO obviously. What else would even come close?

Greece against Persia.

The commonwealth?

>What was the biggest collective coalition or alliance in history?
Ur mum's lovers

The first galactic war

>What was the biggest collective coalition or alliance in history?

Allies in WW2. Nothing comes close.

NATO m8

NATO

Never forget

England, Scotland and Wales forming Perfidious Albion

I forgot

the australian aboriginals got completely surrounded, isolated, and than disected by european powers (spain dutch england) from any hope of external support (through SEA, china, asia, japan etc - see banda genocide, see japanese samurai vs spanish armada). they were then systematically eradicated. the king went turn coat and the rest is history.

second place usa

Intervention in Boxer rebellion?

The European Coalitions vs Napoleon

Napoleon vs rest of Europe

Only real answer.

...

Finns were strong only in absolute numbers, not relative compared to Hwan.

what are the white spots? Or are they still doing research and archeology?

Warriors Barbaric peoples such as Indo-Europeans and Blacks that were kept in natural parks for rest to visit and observe.

NATO
OTAN

How did Ceylon and Formosa escape Hwan rule?

So generally people agree that NATO/Allies are the answer, but what are some other answers further back in history?
Any super big fuck off alliances across nations?