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Oh it hits? Expect no life past 30/45 lattitude... And younger dryas had impacts happened over 27 years.

So depending on size? Might have mass starvation. And Amazon is the only area that can grow food. Oh Egypt gets rain and the desert blooms... Life grows and shifts..

Oh. Food... Yeah colder temperatures means you can't grow most crops in northern areas. Most of the crop area is snowed out.

thanks sir ganjafarmer, it's a cheery thought. lol.