Controversy has spiraled over this new documentary by U.S. veteran and military intel expert, Teddy Daniels.

Teddy is a Purple Heart recipient who also run for Congress and appeared on mumerous television networks.

He went viral for taking four bullets in Afghanistan while protecting the other members of his squad.

And now he's claiming that a new attack from an antagonistic nation could cause a 365-day blackout.

According to his calculations, "90% of Americans could die through starvation and societal collapse.

And he has recorded this video showing how to prepare with a few materials you can get from Walmart or your local grocery store.