Both dates occurred after two world wars, the 1920s preceded the World War 1 while the 1950s preceded World War 2.
The mass media similarity between these two is that it focused more on entertainment and advertisements. Because the war ceased already, films and entertainment shows flourished greatly.
Different ways are:
(i) Multiple cropping can be done. ...
(ii) In Palampur farmers grow jowar and bajra during rainy (Kharif) season.
(iii)They grow potato between October and December.
(iv) During winter, they grow wheat.
(v) It is possible due to the self-developed system of irrigation.
They used the buffalo, as food, and for clothing/warmth. They thought of it as greatness.
It was an innovation of Guglielmo Marconi
