federation

n. 联邦,联合,联盟

The other nations are forming a federation.

其他国家正在结成联盟。

A principle of allowing each state in a nation or federation to act independently of the central authority, especially in promoting its own economic interests.

独立发展自身利益的原则一种允许一个国家或联邦内的每一个州独立于中央集权而发展的原则，尤指互相提高自身经济利益方面