6. guns
7. germs that carried diseases
8. Francisco Pizarro
9. Christopher Columbus
10. Atahualpa
The answer is A because it is the correct answer!
Bloodletting, a treatment devised centuries ago to restore the balance of humors, was accomplished with the use of leeches.
Bloodletting was divided into a two methods. It was done by either venesection and arteriotomy.
A localized method was also done by scarification done with cupping and leeches.
Venesection was the most commonly used procedure and generally involved the vein at the elbow, but also many different veins could be used for this treatment.
The major instruments which were used for this technique were called lancets and leeches.
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