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Perhaps a little bit of context is in order?
You are in Ivalice, a unified kingdom of seven territories, each of which were once independent kingdoms in their own right.
This is the aftermath of a war know as "The war of lions" a succession crisis that left 40.000 dead in the battlefields 200.000 wounded and 100,000+ civilians displaced.
The War of the Lions was fought between the Order of the Northern Sky Knights under the banner of the White Lion, and the Order of the Southern Sky Knights under the banner of the Black Lion. King Ondoria Atkascha III died due to the Black Death and his heir, Prince Orinus, was just two years old. A regent was sought to rule in the prince's place, and both Lion dukes who were decorated generals in the Fifty Years' War were nominated as regent.
One of the main reasons behind the War is the rift between Queen Louveria and the nobles of Ivalice. Queen Louveria is regarded as a power-mad queen who desires her offspring on the throne so that she may rule the kingdom.
The Council of Nobles, out to stop her from asserting influence onto the kingdom, claim the child prince as illegitimate offspring and appoints the king's adopted daughter as their preferred candidate for the regency.
This conflict lead the two lion orders ,and the dukes they represent, to wage war for the throne.