There are two things here that are adding to its meaning that remove the ambiguity once you are aware. I suspect your ignorance gives a few things away about your but its ok :)

The raised fist image is "The Battle of Los Angeles" and was used as a cover art for one of the albums for Rage Against the Machine https://en.wikipedia.org/wiki/The_Battle_of_Los_Angeles_(album)

if you lived in the late 1990's, it was very iconic