Why was the Chinese invention of printing important?

Woodblock printing was used mostly to print religious books. The most famous book printed during the Tang dynasty was the Diamond Sutra. This huge book included pictures and text and helped to spread Buddhism throughout China. Before the invention of gunpowder all weapons had to be powered by hand.

Upheld the 1st amendment according to the u.s constitution. freedom of speech being limited in this case yes national emergencies