The main features of the First World War are as follows:
(i) The First World War (1914-18) was mainly fought in Europe. But its impact was felt around the world.
(ii) It was fought between two power blocs -the Allies (Britain, France, and Russia) and the Central Powers (Germany, Austria - Hungary, and Ottoman
Turkey).
(iii) It lasted for more than four years.
(iv) It was the first modern industrial war as it saw the use of machine guns, tanks, aircraft, chemical weapons, etc., on a large scale.
(v) To fight the war, millions of soldiers had to be recruited from around the world and most of them were men of working age.
(vi) During the war,9 million people were dead and 20 million were injured.
(vii) This death and injuries reduced the able-bodied worKorce in Europe.
(viii) Industries were restructured to produce war-related goods.
