Practicing what is sometimes called “stop sign organizing,” those working in this vein look for concrete, winnable projects—such as demanding that city officials place a stop sign at a dangerous intersection in a neighborhood. The idea is that small victories build local capabilities, give participants a sense of their power, and spur more ambitious action.
The "resistance" movement has spawned a number of groups around the country, organizing people who previously were not involved in politics beyond voting. So far, at least in my area, a lot of the focus has been on electing more liberal leaning candidates to offices and influencing current elected officials. I believe that practicing more of this "stop sign organizing" could go a long way for these groups to gain momentum and organizing experience.

