With nearly all of the aerial shells, paper rockets and sparkly fountains that fuel America’s Fourth of July celebrations being imported from China, volunteer groups like Johnson’s and cities big and small have been closely watching the negotiations.

The US is arguably never more dependent on China than on July 4, when the nation celebrates its rebellion against British rule with fireworks that are inevitably imported from China.

Blowin' stuff up is as Fourth of July as Bomb Pops and hot dogs. We get it — 'Merica. But all that explosive fun can have consequences. Why it matters: Fireworks are a blast, but they're also dangerous,