What is the fastest way to learning Mandarin?( yes, I have already tried Duolingo )

Question 5 of 101 pointwhich of these describes how the introduction of the printing press affectedsociety? oa. more people could read about important civic events.oob. people had the ability to print and share their ideas.ooc. people could keep printed records of agricultural goods.ood. more people could influence the media of that time.submit