Each of those had their own unique culture, their own identity, their own language, their own technology. Some were cruel to their captives and in times of war; others were not. Some wanted to expand their territory and conquer lands and other tribes, while others had found territory to settle in and had no desire to expand, while still others were purely nomadic.
If you have any love at all for history, stop referring to all those pre-colonial nations under a single name and title. Doing so is a vestigial prejudice in our culture, and worst of all, it's completely destroying any chance we have of learning what they were actually like.
As to relative "competence" -- well, we've begun exploring space. So, I guess it all depends on what you consider to be important.