Historia and Erwin look back on their past, revealing a shady government with a hidden agenda and inspiration for an uprising.
It's the same as monopolizing 
Eren's power for yourself.
.هو احتكار قوّة إرين لأنفسكم
reviennent à monopoliser
les pouvoirs de titan d’Eren,
come se fosse
vostra proprietà esclusiva.
присвоить себе силу титана,
которой обладает Эрен.