DACA = Deferred Action for Childhood Arrivals
“On June 15, 2012, the Secretary of Homeland Security announced that certain people who came to the United States as children and meet several guidelines may request consideration of deferred action for a period of two years, subject to renewal. They are also eligible for work authorization. Deferred action is a use of prosecutorial discretion to defer removal action against an individual for a certain period of time. Deferred action does not provide lawful status.” - Department of Homeland Security
On September 5, 2017, President Trump canceled the DACA program and asked Congress to replace it with legislation before the policy expires in March 2018. "Trump Moves to End DACA and Calls on Congress to Act" New York Times September 5, 2017.
On June 18, 2020, in a 5-4 decision, The Supreme Court ruled that the Trump Administration's decision to end DACA did not comply with the procedural requirements to provide a reasoned explanation for taking this action.