So sorry but I'm not answering your question cause I really didn't come here to help people, you see I'm a chaotic evil, so I'm pretty sure I'll just go around this website doing the same thing to other people that I'm doing to you. While getting answers myself.
rule of law is simply the guarantee that those in power shall be guided by the spirit of the constituion while making decisions and in their actions. It is the first foundation of the USA constitution calling on all entities, and indiduals in The USA to be accountable to the laws of the land. in the american government, leaders are expected to follow the spirit of the law while making decisons. For example the president ensures that he respect the separation of power doctrine.
Well, this could be interpreted in a general view. A good way I've found to understand history especially is to almost interprete right now. I know this is not the answer but it is helpful. How can different view cause conflict? Simple you want to fight for your views because you believe they are right.
That way if it someone they have never met they can use that in their defense and if they do know this person and they know that person is holding a grudge or purposely trying to ruin their reputation the defense can object