It takes away electricity but i think it has
The creator of the cotton gin was Eli Whitney. His invention helped boost the economy of the south and was a key invention in the Industrial Revolution.
Simple....the internet, and infrastructure
Im assuming it helped people with trade.
telephone, internet, mail, word of mouth (not an invention)
The invention of the cotton gin allowed for a more efficient method of separating cotton from its seeds. This allowed the South to produce more cotton at a faster rate, thereby increasing its economy and trade.
See the related questions for narrowed-down questions about the invention of the internet.
the invention of the printing press
It was the invention and usage of a zero symbol
Field mice do not have an "economy". An "economy" is a human invention.
It has saved the economy money, time, and helped us design other internet abilities to speed up processes.
The wheel and internet
The 'internet'