The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain. New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement.
I don't have the proper answer and you might have to do research but America did gain much from the war such as Cuba, The Philipines, and Guam.
The right to vote was extended to all groups
Federalism: Federalism<span> is the system of government in which power is divided between a central government and regional governments</span>