Printing Press - there was illiteracy everywhere (people couldn't read or write), Electric light - there was no electric power , Automobile - People couldn't travel long distances so there was no freedom in movements , Telephone - there was no communication between people across wide areas (1), Radio and Television - the world was smaller, as such people did not know what was happening around the world, Vaccination - people died from diseases , Computer - people did not have access to the Internet before that, Aeroplane - there was no communication between people across wide areas (2), Gas powered tractor - people couldn't produce agricultural products (potatoes, tomatoes) so fast, Anesthesia - people felt pain during surgeries ,
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