Original sentence: At the start of the game the entire map is controlled by (thinly-spread) Commonwealth forces, who are deemed to have driven the Italians from Cyrenaica in late 1940
Edited sentence: At the start of the game the entire map is controlled by (thinly-spread) Commonwealth forces, who are deemed to have driven the Italians from Cyrenaica in late 1940, only for many of the Commonwealth forces to be withdrawn to fight in the Greek campaign