By roughly how much did the amount of cotton produced annually in the united states increase between 1800 and 1860

American cotton production soared from 156,000 bales in 1800 to more than 4,000,000 bales in 1860 (a bale is a compressed bundle of cotton weighing between 400 and 500 pounds)

for why it was for independence

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.