摘要
联合欧洲的想法早在20世纪之前就被提出了。当时，战争频发于欧洲。人们生活困难。渐渐地，一些人想要通过联合来结束战争。
The idea of uniting Europe came up long before the 20th century. Back then, wars were commonplace in Europe. People had hard lives. Gradually, some people wanted to unite to stop the wars.
