The Use of Twitter to #DefendDACA & DREAMerS.The future of the Deferred Action for Childhood Arrivals (DACA) program, as well as the welfare of its recipients, in the United State has become a constant feature in the news since President Trump announced his intentions to end the program in September 2017. In response, a social movement of significance was engineered utilizing social media as one of its core pillars to support the program. This study analyzes the content of tweets with the #DefendDACA hashtag, tweeted within 30 days of Trump’s initial announcement, in order to understand the intersection of digital activism and DACA, including functions, purpose, and tone. Results from the analysis found tweets primarily centered on call-to-action, asking participants to defend DACA. Tweets also disseminated vital information, particularly with a positive tone. These findings aid in explaining the movement’s strength.