Can we define what we mean by modernity, please?

Irony of Ironies: Vatican II Triumphs Over Moribund Modernity by Samuel Gregg

You don't need to reach the bottom of the essay to guess that the author is associated with the Acton Institute. Defenders of the liberal [dis-]order are apt to credit liberalism or capitalism with the development of new technology, the increase in longevity and decrease in morality, and so on, as if these developments could only happen because of the concentration of capital in the hands of the few.