What did Diamond mean by the term 'Weapon of Mass Destruction'?

1.   ?    The swords Conquistadors used to kill thousands of Incas.
2.   ?    The horses conquistadors rode to intimidate and trample the Incas.
3.   ?    The spears and bronze swords of the Incas.
4.   ?    The germs & disease brought to S. America by Spaniards.

What were some of the advantages that Spaniards and Europeans enjoyed as a direct result of their domestication of animals? (Choose all that apply)

1. The Europeans were resistant to certain diseases.
2. Europeans had books and libraries.
3. Europeans had superior weapons.
4. Conquistadors on horseback were intimidating to their enemies.

Writing played an important role in Spanish conquistadors dominating the Incas. Which of the following statements are true? (Choose all that apply)

1. The Incas were fascinated with the Bible and converted to Christianity.
2. The writings of Cortez' war tactics helped Pasaro and the conquistadors.
3. Incan written history helped the conquistadors master the mining of gold.