Answer:
The Second Industrial Revolution was a period when advances in steel production, electricity and petroleum caused a series of innovations that changed society. With the production of cost effective steel, railroads were expanded and more industrial machines were built.
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Answer:
Johann Gutenberg's invention of movable-type printing quickened the spread of knowledge, discoveries, and literacy in Renaissance Europe. The printing revolution also contributed mightily to the Protestant Reformation that split apart the Catholic Church.
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Answer:
Dr.Martens
Explanation:
A German army doctor named Dr. Klaus Martens found himself with an injury after skiing in 1945. His standard issue army boots were uncomfortable, so he made some design improvements while he was recovering.
