Some slight incident may touch off a major war.

一件小事可以触发一场大战。

《新英汉大辞典》

The incident on the frontier touched off a major war.

边境发生的这起事件触发了一场大战。

youdao

But American plans for a major war to, say, defend South Korea have in the past envisaged dispatching 20 or 21 brigades, notes the CBO.

然而美国却计划一场大战，比如说，过去设想派遣20或者21个作战旅保卫韩国，CBO指出。

youdao

To guarantee continued support for the war, Lincoln was forced to recognize that the issue of slavery was, in fact,a major issue.

VOA: special.2009.10.08

It was here, from a place of political exile, that he wrote his major works--The Prince, the Discourses on Livy, and The Art of War.

也就是从这儿，从这个他遭到放逐的地方，他写下大作《君王论》,《论利瓦伊》,和《战争的艺术》

耶鲁公开课 - 政治哲学导论课程节选

He was killed on April 1st,1865,at the Battle of Five Oaks excuse me, at Five Forks, just west of Richmond, the last major engagement of the Civil War.

他最终死于1865年4月1日的五橡树战役,不好意思,是五岔口战役,就在里士满的西面,内战最后一场主要的会战

耶鲁公开课 - 美国内战与重建课程节选

For years the Army's annual computer-simulated war game has focused on fighting a major war.

CENTERFORSECURITYPOLICY: Rebasing -- and Reequipping -- for Transformation

This would be the first major war theater in modern times that the U.S. departed without leaving behind any presence.

WSJ: Henninger: The Magician

After every past major war in recent times, the defense budget has been drawn down after the end of the war.

FORBES: Decreasing the defense budget without Sequestration