The Massachusetts Institute of Massachusetts showed a video visualizing the consequences of a nuclea

Britain and France have nuclear capabilities and are required by NATO Article 5 to protect the US, so Russia is attacking them as well. Black ash and smoke lifted into the atmosphere for up to ten years close the planet from solar heat.

More than 5 billion people could die from explosions, radiation and starvation, including about 99% of the inhabitants of the US, Europe, Russia and China

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