So Caesar based his Legion on ancient Rome right? Well, correct me if I'm wrong, but wasn't ancient Rome a democracy? As far as I know Caesar's were only put into power under extreme circumstances. When they did this the Caesar usually tried to steal power and I think more than one of them were assassinated due to this attempted coup d'etat *cough* Julius *cough* Forty-nine stabs in the back *cough* Et Tu Brute? *cough* (great play by the way)
So why is it that Caesar acts like a monarch? Or really I guess it would be a Military Dictatorship. So is this an oversight or did Caesar just pick and choose which bits of Ancient Rome to model his new empire off of?
Rome. It took centuries to build it...
Romulus et Remus started it, the twins born by Rhea Silva's and Marte (some say Heracles).
Yes, Roma had greeck (semi-)godly ancestors... It's sort of accepted.
Roma started as a few huts and one tribe, then it became a kingdom (well, by rough translation).
It adsorbed more tribes, and became a Republic (after several, records say after seven "kings").
By that time, the ruling was by delegation and segregation of power.
The Republic wasn't a democracy in modern terms. The weight by which political decisions were made was called "Census"... Wealth.
To make a long story short, Rome barely survived it's earlier stages. The key to success was sheer Economic power and
sheer Military (Legio) determination. The Senate (Elders) had the control of both. And it took general Marius to turn the Army
into a true power. It's amazing to think that those "elders" were the one lasting beyond their 30th birthday.
By the way, Gens Etruscae (you'd call them Etruscans) were just one of the tribes that were opposing the early romans.
Many tribes became part of the early Senate et Populus Quirites Romanii. Yes, that's S. P. Q. R.
Oh, look... That's THE Old World flag. It didn't have a bull though...
Legio Ottava Augusta (AUG-VIII-LEG) had a bull as their "Insigna" and it's accredited with more than 400 years of service.
Weird. The AVG-VIII-LEG is one of the Legio that accompained Gaius Julii through De Bello Gallicum and
was at his command when he crossed Rubiconem, but was against Julius himself at Pharsalys.
Anyhow.... I'm digressing.
The Republic grew to a stage were nothing, except itself, could stand in it's path.
That's where Gaius Julii enters the show... Edward who?!
Gaius didn't steal power. He claimed it. He was killed as a consequence, because opposition, at those times, was more direct than nowadays, in 2281.
And the rules were more transparent.
Gaius of the Julii did take power on his hands, and he did that for several reasons.
All of those reasons cannot be summarized here

It's a long story, and it's a game

Cheers!