it'd the 3rd one! I hope this helps
The gin stand uses the teeth of rotating saws to pull the cotton through a series of "ginning ribs", which pull the fibers from the seeds which are too large to pass through the ribs. The cleaned seed is then removed from the gin via an auger conveyor system.
Answer:
Factories were necessary because the machinery was expensive, large, needed power, and was operated by many workers.
A group of men led by Abraham Whipple and John Brown attacked, boarded, and torched the ship. The event increased tensions between the American colonists and British officials, following the Boston Massacre in 1770.