该国的经济实力使其能够谈判达成有利的贸易协议。

The country's economic ___strength allowed it to negotiate favourable trade deals.

一个国家在全球竞赛中的成功通常被视为其整体实力的反映。

A nation's success in global competitions is often seen as a reflection of its overall ___strength.

该联盟的力量源于其成员国联合的军事和外交实力。

The alliance derives its ___strength from the combined military and diplomatic power of its members.