This could make a really interesting discussion. It seems like women suffragists in Europe were a lot more radical than ones in the US and Canada - breaking windows, arson against homes, churches,and businesses, cutting telephone lines, using letter-bombs. But I don't think any of what's being discussed involves vengeance. Vengeance is about getting back for things that are past, not about using violence to accomplish change for the future.
A short documentary about Bruce Riley, an artist who paints abstract wonders with poured resin