What problems might conquered people present for a conquer?

Conquered people may resist assimilation or control, leading to potential uprisings or unrest that can destabilize the conqueror's rule. They might also harbor resentment, fostering a culture of rebellion and undermining loyalty to the conqueror. Additionally, economic burdens can arise from maintaining order and providing for the needs of the conquered population. Lastly, cultural differences may create friction, complicating governance and integration efforts.