Powerpoint (presentation software)
The correct answer is B) emergence of a written language
Unlike the other mentioned things, emergence of a written language did revolutionize Native American cultures. Everything else mentioned here was just there and completely normal as they were hunters and what not.
Answer:
If ur wanting a up or down, its up
Explanation:
It prevented slaves from learning how to read and write. It also made it scary for them to escape because they allowed slave owners to whip them or hang them for trying to escape or committing small or big crimes.
