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What was the national disaster that made the networks more popular?

The U.S. disasters have the highest common occurrence, with 735 instances between storms, floods and tropical cyclones. Severe storms are the most likely. In 2013 alone, 54 percent of disasters were classified as storms, amounting to a total of $12.46 billion in insured losses for the year according to Aon Benfield.

Explanation:

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different routes can lead to sammy to different places, with different roads.   if you check a map, you can see the routes.   try to make connections of the places and count how many there are.   hope this : )