WHO'S WHO (WWI) (Part IX)Online version Who were the main military leaders, political leaders, monarchs and pacifists during the WWI? by Javier Ramón Núñez 1 Welsh-British politician who occupied several important positions during the war, including chancellor of the exchequer, secretary of state for war and (from late 1916) prime minister. Pistas 1 He trained as a lawyer, qualifying in 1884, and became involved in politics, joining the Liberal Party. 2 He won a seat in the British parliament in 1890 and quickly excelled as a skilled politician and a passionate public speaker. 3 Initially opposed to British involvement in a European war, he backed intervention after the German invasion of Belgium. 4 He was one of the ‘big three’ leaders who dominated the Paris peace talks. 5 Historians consider him the moderate negotiator.