The background, shared knowledge was no longer explicitly taught in elementary schools, as generations of educators had been trained to teach skills rather than content, critical thinking rather than (i)_____. The (ii)_____ was that such progressive education theories focusing on child-centered skill-learning were in fact disproportionately (iii)_____ low-income students, who were less likely than their affluent peers to acquire generally assumed knowledge of mainstream American culture at home.

Blank (i)	Blank (ii)	Blank (iii)
cutting-edge technology	ethos	favoring
mere facts	aphorism	buoying
state-of-the-art design	irony	hurting

Kudos for the right answer and solution.