Fireworks originally were developed in ancient Liuyang, China in the second century B.C. It is believed that the first natural "firecrackers" were bamboo stalks that would explode with a bang when thrown in a fire because of the overheating of the hollow air pockets present in the bamboo. They were transformed with the passage of time with the advancement of technology so it leads to the creation of deadly explosives.
It seems that you have missed the given choices for this question, but anyway, here is the correct answer that would best complete the given statement above. Lincoln's "Emancipation Proclamation" had all of the following effects EXCEPT for the r<span>ecognition of the confederate states by England and Europe. Hope this helps.</span>
