I think it's T.V.
the iphone
The invention that significantly changed cotton production was the cotton gin, invented by Eli Whitney in 1793. This machine revolutionized the industry by efficiently separating cotton fibers from seeds, dramatically increasing the speed and volume of cotton processing. As a result, it made cotton a profitable cash crop in the American South, leading to an expansion of plantations and a greater reliance on slave labor. The cotton gin played a pivotal role in shaping the economy and society of the United States during the 19th century.
Probably the cotton gin invented by Eli Whitney. This machine revolutionized the south by cleaning cotton much faster than hand labor would.
The American flag has not changed since Hawaii became a state on August 21, 1959
This is probably because the English colonist settled here first (not including Native Americans.) I guess the wanted to have it named after their own language. They inventor of the American "English" also changed words so it wouldn't be the exact United Kingdom English.
the iphone
It changed the American diet.
"The last century saw many people whoselives changed after the invention of radio and television."The pronoun is 'whose', a relative pronoun that introduces the relative clause 'whose lives changed after the invention of radio and television'. The relative clause gives information about its antecedent 'people'.
Morse's telegraph
One invention in the 17th century that significantly altered the way people saw their world was the microscope. The other invention was the telescope.
Ernest Hemingway
It was an invention that changed the history of computers.
Invention? Whatever...
it changed the way we think on what to do
the camera
yes
agriculture