Because the Incas were very behind in their warfare and military tactics, as well as lack of weapons. Their spears,slings and clubs could were no match against bullets, crossbows, swords and steel armor.
I would say to show that your source is credible!
Good Day!
<span>www.crf-usa.org/election-central/the-progressives.html</span>
That would be B. Buddhism <em>and</em> E. Confucianism