Andrew Jackson felt betrayed by his loss in 1824 and wanted to create a political party for the "common people" ... The spoils system was debated long after Jackson's presidency has ended.
In both Europe and many parts of the New World was the belief on a scientific notation that people from the African continent were somehow inferior specimens of Homo Sapiens.
The introduction of coins as Greek currency was a crucial economic advancement that allowed for expedited and simplified trade between varies countries within Greece's domain.