Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

He was replaced by General Henry G. Winkelman who decided that in the north the Grebbe Line would be the main defence line where the decisive battle was to be waged , partly because it would there be easier to break out with a counteroffensive if the conditions were favourable .
He was replaced by General Henry G. Winkelman who decided that in the north the Grebbe Line would be where the battle was to be fought , partly because it would be easier to counterattack .