no body supported hazrat ali nor hazrat amir muavia. as it was a political conflict rather than relegious. both have their own opinion and acted according to their judgement.
may allah rest their souls in peace
meray bhai
it was a conflict predicted in hadith , its the source of islamic law ...how is it MERELY political.By this you are essentially saying that both ali and muawiyah fought for worldly power ! even though hadith of Prophet are EXPLICITLY clear that ali would not do that in his wars.
you are falling into the trap set by rafida debating on non-issues like first second civil war.