It's never--it probably wasn't quite that easy but the invading side goes for something that the other side will have to defend and that determines when the fighting takes place.

可能不会这么简单,但当入侵方为了某一目进行侵略,被侵方就不得不防守,这就决定了战争的爆发时间

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So, now, the defenders have to do it, in a perfect situation, I am marching towards their corn crop, grain crop, at the time just before the grain is going to be harvested.

因此被侵方就要做出反应,制定完美的方案,我在庄稼即将成熟之前,会去掠夺他们的庄稼

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