Ignoring the fact that you're willfully ignoring the activists in boomer, gen x, and millennial generations still doing awesome, paradigm-busting/shifting work in the name of justice in any number of sectors (marching, getting arrested, filing lawsuits, writing policy, putting their careers on the line, etc. and risking quite a bit in the process), what on Earth is the social construct of this country?
"a social mechanism, phenomenon, or category created and developed by society; a perception of an individual, group, or idea that is 'constructed' through cultural or social practice"
We expanded the inclusion of races, gender, sexual orientation to places that were unthinkable before we came of age.