Roar had more impact with straight white women, who are the demographic that decides elections. Expect Hillary Clinton to use it as part of ha campaign.
Born This Way was right in the middle of the year of Don't Ask, Don't Tell - the latter of which changed the USA's viewpoint of LGBT people everywhere. I'm not saying BTW was a cause or had direct impact - but a huge superstar telling everyone that it was okay to be gay, straight, bisexual, lesbian, or transgendered had a huge effect on a large sect of society.