Mao Zedong was born on December 26, 1893
Industrial Revolution <span>was </span>partly an outgrowth of the<span> Scientific Revolution of the 1600s and 1700s. </span>
Actually the real answer is the second and first world war pouring money into the us economy for output. If that is not an option it would be the invention of the steam engine and the 1800's locomotive industry.
The reasons for this war are sometimes traced back as far as the democratic reforms of Cleisthenes, which Sparta always opposed.