By definition, an oracle bone is a piece of object wherein these are animal bones coming from an ox or a turtle which are mainly used to worship divine beings through the use of pyromancy. The discovery of these had paved way to the idea that there was already a writing system present during the Shang Dynasty.
The russians in other words.
Where are the following choices? I don't know how to answer with nothing to go off of.
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.