The us suffered from a brutal loss of soilders.
Neoclassicism was influenced by the Age of Enlightenment or also called as the Age of Reason. Both movements coincide with each other, they started in the 18th century and continue to reign until the 19th.
Neoclassicism is a recovery of the styles and soul of exemplary relic enlivened straightforwardly from the traditional period, which harmonized and mirrored the advancements in rationality and different territories of the Age of Enlightenment, and was at first a response against the abundances of the former Rococo style.
The USA is a presidential system, with the apex of power in a President elected indirectly through an Electoral College, whereas the UK is a parliamentary system, with the Prime Minister holding office and power so long as he or she commands a majority of votes in the House of Commons.