https://www.theverge.com/2017/11/1/16593346/house-russia-facebook-ads

As part of the hearings into how Russia used social media to influence American opinion, House lawmakers released several Facebook and Instagram ads linked to the online meddling campaign.

In one example, a group named “Defend the 2nd” was promoted on the service, described as a “ community of 2nd Amendment supporters, guns lovers & patriots.”