Yes, they needed them for letters.
yes but it deepends what date
what did thety wash their clothes with back in the olden days
Horse and buggy
Yes - for example, you could say: 'In the olden days', and it would make sense.
By writing letters
They didn't use this term back in "the olden days." It's a modern term meaning to wait for a minute.
what were shops like in the olden days
yes they did have needles in the olden days
there was barter system
cowrie
Braille came into use by the blind people of the olden days.
Please define "olden days" because each time had different things. To some people 1950 is the "olden days".