It's difficult to express because it's such a broad perspective.
But basically:
Christianity triumphs. As a mystery religion, there is a state of absolute separation between those who know the mystery and those who do not, unlike in paganism. An absolute break with the past is made.
Renaissance -> Rescuing classical texts -> Latin linguistic purism (Roman pagan orators placed above Medieval latinists in stylistic value)
Atmosphere of recovery of the past, rediscovery of the truth.
Ex-Rome is discovering a glorious past. Austria, which remains Catholic, cashes in with the Privilegium Maius et al. which gives them a fake connection to the Roman Empire. Other German lands feel left out. Biblical scholarship gives them something to do with their nervous tension. Ex-Rome is rich, dominates the Church hierarchy, and has lots of olive oil for Lent and locally grown communion wine. German lands are mostly poor, lack olive oil and wine (except Austria), and are left out of the Church hierarchy. Resentment brews.
Reformation -> Classical scholarship applied to Biblical texts -> Protestant religious purism (Old Testament placed about Medieval tradition in religious value)
This amounts to a second absolute break with the past in European history. All traditions are thrown out the window - but not immediately. Local saints are celebrated - but guiltily, with the suspicion that they will be discovered to be a golden calf. A shadow is cast on all folklore and custom. Well educated rationalists have the power to pull rabbits from a hat, and discover new imperatives from a book that the populace must submit to due to their natural validity and natural purity. The essential dynamic of naturalist tyranny begins, but in a scriptural-scholarly form.
Blurring of the lines between religious purism and classical purism. Republican Rome, Cincinnatus et al admired with religious fervor.
Non-hierarchical subsistence farming described in the Old Testament blurs with the legends of Cincinnatus and the rustic moralism of Cato the Elder.
Commonwealth of England -> First blank slate Jacobinical state, based on destruction of the past and reconstruction based on intellectual principles.
The benign hypocrisy of medieval monarchy vanishes, and the bourgeois era of self-flagellating concerned citizens begins.
Republican Rome and pre-monarchic Israel merge into the concept of the state of nature. Hobbes, Rousseau.
Most educated people read Ovid, who describes the first men as naked and fructivorous. Book of Genesis widely read.
Man in a state of nature is considered and imagined by many. Basing society on a master plan of rules and rationalism becomes a common idea, based on the continued efforts to imitate Republican Rome and the first societies of the Old Testament.
The Catholic church and medieval society were extremely hierarchical. That's the opposite of collectivism.
If you want collectivism, attend a Baptist orgy.