Class One. This (first of two) class on this Ma’amar explores the idea of Shalom. To have peace from war has two aspects: A. The evil is נתבטל בעצם מהותו altogether nullified. B. The weapon used to defeat the enemy has to be transcendent- above the struggle altogether. He explains three levels in this: A. The time of Shlomo, B. The first era of Moshiach where peace affects human beings.
Class Two. This (second part of two) class introduces us to the idea that at the heart of things every struggle is שלום. The reason is that all עבודה has at its base, מסירת נפש of יחידה, which is where real peace is. [He connects to the end of Tanya Ch. 41 where he explains everything to be מסירת נפש.] There is שלום in every single struggle. Thus prayer affects פדה בשלום also.