Well, basically to compare them you'll have to know their driving forces, the events that led to their apex, what climatic event ended the revolution, etc. I'd define the timelines first then look for parrallels.
My guess is that you can find similar reasonings behind their financing by entreprenuers, the resources and how they eventually dried up, the effects they had on labor markets, etc. Plenty of easy ways to draw parrallels if you simply dig.