在其鼎盛时期，罗马帝国统治着跨越三大洲的广阔领土。

At its height, the Roman ___Empire controlled vast territories across three continents.

二战后大英帝国的解体导致了许多独立国家的建立。

The dissolution of the British ___Empire after World War II led to the creation of many independent nations.

历史上，许多帝国是通过军事征服和其扩张影响力的欲望建立起来的。

Historically, many empires were built through military conquest and the ___empire's desire to expand its influence.