The correct answer is an Oligarchy. Hope this helps :)
I don’t know if this is right but as someone who is native I’m going to guess during conversion of religion. Again I don’t know if that’s the main one they want but it was a contributing factor. :)
The explorer who first found a way around South wad Ferdinand Magellan<span> (a Portuguese explorer)</span>
The map shows that they that very little independence and power