Answer:to ensure that only the pressed strings are sounding
Explanation:
<span>The early sculptures and artworks which arose during the first-century and through the fourteenth century could be seen in the use of the function of persuasion in the pieces, in order to convince the population of the good things and positive values of their government.</span>
The masks are an insight into their culture. Their beliefs, and what motivated the civilization to be. It is one of the biggest and first civilization in south America.