Positive:
The founding of North America
Acquiring of wealth and natural resources
Negative:
The colonialism of Spain and Britain (From native's pov)
Slavery of natives
Led to the Atlantic Slave Trade
Arguably led to the Scramble for Africa
<span>Two of the major factors were the railroads and the invention of the assembly line. With the finishing of the transcontinental railroad some 30 years earlier, the US had a nation that was linked coast-to-coast and was able to transport goods in a fraction of the time it previously could. With the invention and perfection of assembly line processes, those goods could now be produced in a fraction of the time, as well.</span>
His innovations as the phonograph, the incandescent light bulb and one of the earliest motion picture cameras. He also created the world's first industrial research laboratory.
It's said to be a subatomic particle that explains weak and electromagnetic interactions. It's named after Peter W. Higgs, a physicist. :)
