This is an outgrowth of the discussion here. The rex was indeed elected (or perhaps acclaimed would be better term) by the people at the suggestion of the Senate, as far as I recall but I do not ...
In looking at the Oath of Horatii image I can see three swords in the hand of the father, I see what looks to be a gladius in the center, but the two swords on either side of it do not look to be ...
I've read that Latins considered the Etruscans as a plague. However, it seems that the Etruscans (being peaceful merchants) were more civilized and educated than the Latins.