The cotton gin was made by Eli Whitney. Whitney invented it in 1794. The cotton gin decreased the time it took to remove cotton seed from cotton. This led to the growth of textile industries.
The refined sewing machine was patented by Elias Howe. Howe patented it in 1846. The refined sewing machine made the production of clothing faster. This led to people not needing to make their own clothes.
The telegraph was exploited by Samuel Morse. Morse exploited it in 1860. The telegraph helped greatly with communication. This led to more exploits and advancements in the field of communication, and a more informed and connected society.