<Li> Round or square shields made from wood or hide </Li> <Li> Cloth tunics padded with cotton and small wooden planks to protect the spine . </Li> <P> The Inca weaponry included: </P> <Ul> <Li> Bronze or bone - tipped spears </Li> <Li> Clubs with stone and spiked metal heads </Li> <Li> Woolen slings and stones </Li> <Li> Stone or copper headed battle - axes </Li> <Li> Bolas (stones fastened to lengths of cord) </Li> </Ul>

Which of the following is not an early sign that nations may have began to possibly disappear