How did chinese inventions of paper/printing, gunpowder, porcelain, and the compass influence human kind?

The following were able to compass influence to human kind because as they share this interventions, they were able to provide huge impact to the people as they take part or have the knowledge of this interventions because of how it was able to know its use and importance to the public.

6 or 2

explanation:

hope this you

but i think its 6

answer; taking up arms to defend the nation;