You must have the setting, the main characters, and any back story – what happened before? This article provides details of what began in July 2016. This is the point in time that most people know about. However, there are many things that led up to July 2016.

https://steemit.com/news/@victor-lucas/a-sustainability-dialogue-the-dakota-access-pipeline-and-subjugation-of-native-americans