Answer:
Dynamite invented in 1867 was invented by Alfred Nobel, who became a really powerful man because this was rapidly applied mining. The Nobel Price is in honor of Alfred Nobel, which was his last will in 1865.
First Transcontinental railroad completed in 1869, Utah. In this year was the last construction of this network that united all nation, being this achievement one of the reason for growing as Industrial Nation.
Internal combustion engine invented in 1876 by the German Nikolaus Otto, it's known also as Otto Engine.
Electric light bulb invented in 1879 by Thomas Edison. It's important to say that there are like 20 authors of this invention. But, all prototypes weren't efficient, so the patent was sold to Edison, whom worked hard to make the electric light bulb efficient.
First gasoline powered tractor invented in 1892 by John Froelich.
