Answer:
B. forming committees of correspondence
I believe you are describing density currents
Answer: Nine. At the convention, they decided that trying to get all thirteen states to ratify the Constitution would be impossible, so they set the bar at nine.
Answer:
n 1793, Eli Whitney revolutionized the production of cotton when he invented the cotton gin, a device that separated the seeds from raw cotton. ... Southern cotton, picked and processed by American slaves, helped fuel the nineteenth-century Industrial Revolution in both the United States and Great Britain.
Explanation: