Colonialism: Colonialism refers to the practice of one nation exerting its control over another nation or territory for economic exploitation and political dominance.
Imperialism: Imperialism is a policy where a powerful country extends its influence through diplomacy or military force over weaker nations or territories for various reasons such as resources, markets, and strategic advantages.
Sovereignty: Sovereignty is the supreme authority of a state to govern itself without interference from external forces. It implies independence and self-determination in making decisions regarding internal affairs.