It is well, nay, essential for the progress of the race, that the houses of some should be homes for all that is highest and best in literature and the arts, and for all the refinements of civilization, rather than that none should be so. Much better this great irregularity than universal squalor.1

What event caused the changes described in the above passage?

AEstablishment of utopian societies

BSocialist movement

CIndustrial Revolution

DDevelopment of communism