Radar and rockets
Do you mean, "Why was the era AFTER world war 2 called the cold war?" Because no one calls the era of WW2 the cold war.
Late Edwardian era, the First World War era, and the Inter-war era.
Edwardian era or World War 1
sewing machine is one of them :) x
Various things, but notably the beginning of the first world war and the end of the second
the phone was invented
The Spitfire was a World War 2-era British invented and designed fighter aircraft. used to defend England in the battle of Britain.
Abraham Levitt built several Levittowns in the post-World War II era and may be considered the inventor of track housing.
The microwave
Cold War
the cold war but just after ww2 it was resconstruction
yes