The following sentences of March of the Titans: The Complete History of the White Race by Arthur Kemp caught my attention:
Power and purpose – The glory of Rome
The fact that the Roman Empire dissolved into a multi-racial polyglot does not distract from the very many fine cultural and engineering achievements of the original Romans. It is however very noticeable that the greatest Roman achievements date from before the time of the racial dissolution of the empire—once again mirroring earlier civilizations.
[Kemp then writes about Roman social life, Roman religion, Roman literature, art, architecture and finally slavery:]
Slavery was an institutionalized part of Roman society. The sheer size of the Empire meant however that many slaves were foreign—Greek slaves were held to be the best type of slave to have (they were of course the Whitest slave, after Gauls or Germans, who were less common as slaves). Arabs, Blacks and others of mixed race from the Middle and Near East also made up a huge number of the slave population.
Roman soldier leading captives in chains
The importation of these racially alien slaves impacted upon the demographics of Rome over a period of time. The numbers of slaves must have been tremendous: there were enough of them to form their own 70,000 strong army, as happened in 73 BC, when the slave leader Spartacus led the famous slave uprising. It took an entire Roman army to suppress that uprising—but still the practice of slavery continued, and was to ultimately cost the Romans their very existence itself.