Question: Did the invention of the gear speed up the end of slavery in the American South?, Answer:No, Description of Gear: rotating machine, Fact1: Worm gears are used in the cotton gin., Fact2: The cotton gin made slavery in the American South much more profitable., Fact3: Slavery expanded in the American South in the first half of the 19th century because it became more profitable.
Step1: How old is the oldest gear?, Step2: How many years ago did slavery end?, Step3: Is #2 greater than #1?, Wikipedia page for step 1: Antikythera mechanism, Wikipedia page for step 2: Slavery, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False