Complex sentence: That year, high command had decided that the main Allied thrust would be in southern Europe, and Ops (B) was tasked with tying down German forces on the West coast in general, and drawing out the Luftwaffe in particular.
Split into simpler sentences: That year, high command had decided that the main Allied thrust would be in southern Europe, and Ops. B was tasked with tying down German forces on the West coast in general, and drawing out the Luftwaffe in particular.