The downfall refers to the collapse or destruction of a person, group, or empire. In history, it often refers to the decline and defeat of a powerful civilization or ruling power.
Related terms
Conquest: Conquest refers to the act of taking control over another territory through force or military means.
Revolt: A revolt is an organized rebellion against authority or rulership.
Imperialism: Imperialism is when one country extends its power and influence over other regions for economic, political, or territorial gains.