I'm sorry, but I don't understand your reply. You say "they may have been minority in that area, but not those states." What are you referring to here? The whites in Zimbabwe and South Africa were absolutely minorities as were the Sunni in Iraq or the Tigrayans in Ethiopia. The Nazi party in Germany was also a small minority in the political sphere until they and their allies murdered many of their political rivals, allied with various nominally centrist groups to prosecute or execute many more and then won a slim majority that they built on through engineering or taking advantage of crises until they became the most popular party in Germany. The Gang of Four was a small faction within the Chinese communist party grappling for power within China following Mao's death after they'd already led a reign of terror that saw many of their political enemies beaten, imprisoned or executed. Eventually they were outmaneuvered and taken down once people snapped out of their fear. Similarly, the HUAC and the Senate Subcommittee on Internal Security were small minorities in congress led by rogue demagogues who forced witch hunts before they were finally corralled by a the majority standing up and saying this is madness. In the Jim Crow south there was no such condemnation of minority murder and rule until almost half a century later when a mass movement that was also deeply unpopular in the US rose up to combat it.
The pareto principle describes a small group of people (around 20%) usually leading an activity or movement toward something and 80% being "free riders" who go along letting that 20% do the work. This is not the same as minority domination of majorities or seizure of influence to take power.
Also, this notion that "no other place has been as egalitarian and prosperous" to minority groups is a crazy drink of the American exceptionalism kool aid. There are plenty of foreigners here on this forum who can tell you straight up what a joke that is.