The Canadian divisions were joined by the British 5th Infantry Division, and reinforced by artillery, engineer and labour units. The Canadian Corps was supported to the north by the 24th British Division of I Corps which advanced north of the Souchez river and by the advancing XVII Corps to the south.
He called the imaginary barrier the "Iron Curtain". He used this image to oppose the Soviet union expansion, and keep in communism in check. Hope this helps!!!:)