Ah, this is a great question. The answer is the flux capacitor, the reason being; When you can travel through time you can take as long as you want to get ready for, lets say work, and just hop in your Delorian, travel back in time to when you were supposed to leave for work, and go. What will they think of next?!
When the railroads were completed, some nativists threatened railroad owners with harm if they hired Chinese people. This resulted in some of the railroads in the west hiring more workers out of Mexico.
dick me down
Personal choice and the Sexual Revolution.
advent of rapid transatlantic communication invention of the telephone invention of radio technology
There are various opinions as to what happened to the Indus valley civilization. Probably them most held is that climate change (disappearance of the monsoons) resulted in a migration to the east but in smaller more isolated towns.
It resulted in the disappearance of the Inca and Maya Civilizations. Their conquest led to spreading of disease in the natives which killed 95% of the them.
It was the invention of the cotton gin that resulted in the mechanization of the cotton industry after 1750. It was invented by Eli Whitney. Another invention was the cotton spinning machine.
Made farming more efficient, and resulted in a global shift of labor from farmlands to cities.
Lower-priced clothing and a change in the clothing production industry. Many tailors were put out of business.
Answer this question… Which fact of life for African Americans in the 19th century limited the impact of the event described in the headline?
The cell theory resulted most directly from the invention of the optical microscope. As scientists were able to observe cells for the first time, they contributed to the understanding that cells are the basic building blocks of all living organisms. This marked a major advancement in biology and laid the foundation for modern cellular biology.
Broken railroads, factories, and bridges.