Answer:
The export of cotton increased by 50% between 1800 and 1860.
Explanation:
Whitney's cotton gin model was equipped for cleaning 50 pounds of lint every day. The model comprised of a wooden chamber encompassed by columns of slim spikes, which pulled the build up through the bars of a brush like network. The grids were firmly divided, keeping the seeds from passing through. Loose cotton was brushed off, preventing the mechanism from jamming.
Agriculture plays a crucial role in the rise and development of civilizations, since it allows for there to be a "food surplus"--meaning that people other than farmers can spend time and effort developing new skills and practicing new trades.
Answer:
The president is elected by the people.
C.
Explanation:
Federal system means that the central government and the local government or state government share powers but within the national government.
