The thermite and iron microspheres found in all samples of WTC dust aren't prof enough? 

Many eyewitness heard and felt explosions... Like thousands... It's on the documentary "Peace War and 9/11"

Thermite is explosive-adjacent. If only thermite was planned to be used, how does this market resolve?

 I specified "explosives", not other forms of demolition, so I guess that wouldn't count. Kinda feels like it should though.

Resolves based on the best evidence available at the beginning of 2040.

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