When would the North Pole experience darkness for 24 hours a day?

The darkest time of year at the North Pole is the Winter Solstice, approximately December 21. There has been no sunlight or even twilight since early October. The darkness lasts until the beginning of dawn in early March.

answer; ///i believe the correct answer to the above question is; ///(drainage basin;

they were destroyed coming out of the civil war but after he war they were booming. if you need an in-depth answer follow up with me  

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