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