I believe the answer is A. Unchecked immigration.
The first encounter between Francisco Pizarro and his advancing Spanish army and the Inca ruler Atahuallpa took place in Cajamarca, and Jared Diamond addresses it in Guns, Germs, and Steel.
According to Diamonds, the Europeans were the first to have firearms, germs, and steel due to their geographic location and historical background, allowing them to conquer other less advanced civilizations.
The element of surprise was on the side of the Spanish. The Incas had no reason to believe the Spanish would be so treasonous. The Native Americans had no defense against the Spanish's use of European-style weapons like firearms.
The Spaniards start off by ambushing the Incas, discharging their weapons, and emerging on horseback from hiding. The conquistadors attacked the Incas with their swords as they rode because they were trembling and looking rather than holding their ground.
If the Incas had stood their ground against the cavalry, they might have defeated them by sheer numbers if they had more knowledge of this kind of combat.
To learn more about Jared Diamonds refer to:
brainly.com/question/17238702
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No, of course it is a great thing to do for your country and a wonderful sacrifice but you still have a family and you can still be a true citizen by making other sacrifices to your country and playing other rolls. there are tons of things that our country needs and other sacrifices you can make that fit you better. becoming a soldier is not for every one and it has got to be in your heart to do it you have to have to want to gain the skills and want to do it well. although I am not discouraging any one to it I'm just saying you need to have the heart to play that roll in your country. so no it I would not think that.