What followed in the next ten months was a response from Sioux communities, protestors and environmentalist groups in the form of peaceful protests in which over 400 arrests were made by local law enforcement. 26 Environmentalist groups responded to the event with an open letter condemning the actions of the North American banks who helped fund the pipeline, and encouraged them to stop any future payments contributing to it.
In the following ten months, Sioux communities, protestors, and environmentalist groups engaged in peaceful demonstrations leading to over 400 arrests by local law enforcement. Twenty-six environmental organizations issued a joint statement condemning the involvement of North American banks that financed the pipeline and advocating for an end to further financial support.