Correct or improve the translation of the following English sentences.原文：The United States in the 20th century is an example of a state achieving eminence without conflict with the then-dominant countries.译文：20世纪的美国就是一个在脱颖而出的过程中并没有与当时占据主导地位的国家发生冲突的
Correct or improve the translation of the following English sentences.原文：The United States in the 20th century is an example of a state achieving eminence without conflict with the then-dominant countries.译文：20世纪的美国就是一个在脱颖而出的过程中并没有与当时占据主导地位的国家发生冲突的例证。
