Well, thats a difficult question, because are you specific to just humans or animals? Plus the right answer is based on what you believe. Like if you believe God created everything, then animals were the first to speak, and then humans, well it did not specify in the Bible what they spoke. If you believe in evolution, animals were also the first to speak in their own language, probably through noises and body language
Answer:
Sign language provided a more preferable choice that enabled free and natural communication
Explanation:
The use of oralism is limited among those with hearing disability as those who could very well comprehend the information being transmitted usually have a discursive consciousness or understanding of the way the people spoke, thereby limiting the dissemination of information, such that those who understood the oralism will sometimes pass unto their colleague the given information using sign language making sign language the foundational or natural language upon which Deaf cultural competencies can be developed.