Answer:
They were mostly made out of flint i believe
Explanation:
He wrote the Declaration of Independence, which officially declared that the American Colonies were completely free of British authority and influence.
The Declaration of Independence was adopted by the Constitutional congress on July 4, 1776
If by harvest demands, you mean cotton harvest demands, it would be the Cotton Gin, invented by Eli Whitney.
Cultural change, normally associated with the Enlightenment; social change and financial and economic difficulties; and the political actions of the involved parties.