<em>Plato's ideal state was a republic with three categories of citizens: artisans, auxiliaries, and philosopher-kings, each of whom possessed distinct natures and capacities. Those proclivities, moreover, reflected a particular combination of elements within one's tripartite soul, composed of appetite, spirit, and reason.</em>
<span>helped exploited Chicano workers with his successful "boycott grapes" movement that led to better pay, limits on the use of toxic fertilizers, and recognition of farm workers' collective bargaining right. I hope this helps.</span>
Answer: This might not be what you were looking for but this website gives you 4 examples and there's a video to watch.
https://nmliving.com/2016/08/21/legendary-new-mexico-technology/