Many MPs are against federation in Europe.

许多议会议员反对欧洲结成联邦。

《牛津词典》

It also poses serious questions about the world's biggest economy. Is Europe evolving inexorably into a federation of states?

同时，该条约也对欧盟这个全球最大的经济联合体提出了许多重大问题，如：欧洲成为“国家联盟”是否已是不可避免？

youdao

And it would be a first step on the road to a "federation of Europe," to be achieved step by step via "concrete achievements which first create a DE facto solidarity."

这是走向“欧洲联邦”的第一步，联邦要靠“具体的成就一步一步实现”，而这些成就首先就是创造一种事实上的团结统一。

youdao

From the seemingly impossible emerged the political will and determination to overcome extreme forms of nationalism and create a federation of Europe.

FORBES: We Are All Europeans Now

Do we want to belong to a centrally driven Federation of Europe established as a result of French anxiety to control German aggression or remain an independent outward trading nation?

BBC: What do you think of the euro?

For years GM operated as a loose federation, in which Opel in Europe and Holden in Australia each had their own product development and assembly operations, separate from North America.

FORBES: Global Motors