Between his terms as prime minister, this person gave a speech at  Westminster College that popularized the phrase "Iron Curtain".
This person headed the Landships Committee that promoted tank warfare after he saw the importance   of breech-loaded weapons while fighting in the Malakand Field Force. His speeches were collected in  the book The Unrelenting Struggle. This man served as Chancellor of the Exchequer under Prime   Minister Baldwin after rejoining the Conservative Party, and he wrote the four-volume A History  of the English-Speaking Peoples. Between his terms as prime minister, this person gave a speech at  Westminster College that popularized the phrase "Iron Curtain". Name this prime minister who led  the United Kingdom during World War Two.
This person headed the Landships Committee that promoted tank warfare after he saw the importance   of breech-loaded weapons while fighting in the Malakand Field Force.
Sir Winston Churchill