Use of Horn blowing,Screams and cries in communication
Answer Text: Horn blowing;- They were used to make public announcements, summon warriors or invite people to an important meeting.- This was done by specialists with different tones that passed different messages thus passing a wide range of messages.Screams and cries:- Screaming was effective mostly on hill or mountain tops because of echoing.- There were different ways of screaming in different situations.- Ululations signified feasting or good news like child birth.