Complex sentence: Number 28 on the list was an idea to plant misleading papers on a corpse that would be found by the enemy; this suggestion formed the basis of Operation Mincemeat, the successful 1943 plan to conceal the intended invasion of Italy from North Africa.
Split into simpler sentences: Number 28 on the list was an idea to plant misleading papers on a corpse that would be found by the enemy. This suggestion formed the basis of Operation Mincemeat, the successful plan carried out in 1943 to conceal the intended invasion of Italy from North Africa.