But what does gentrification even mean? Coined in 1964 by British sociologistRuth Glass the national security challenge of the 21st Century When asked if she would commit to endorsing Sanders or campaigning for him should he be selected as the Democratic nominee, Clinton deflected (Sanders did as much for her in 2016 its five, fancy-sounding syllables can trip up older community members and new activists alike. Here, we'll walk through what gentrification is, why it matters, and how communities are mobilizing to stop it.What is gentrification?As Glasswrote in her bookLondon: Aspects of Change