Its one of the answers in front of you and I think its C
Answer:
<h2>Knowledge of specific procedures, subjects </h2>
Explanation:
The ability to do a task in a competent manner is called skill. It can be classified into three types; Personal traits, transferable and knowledge based.
Specialist skills or knowledge based skills is that knowledge of specific procedures, subjects and information that is necessary for doing a particular task. Such skills are gained through training, education and on the job experience.
The Aztecs and Incas lacked
A. Political Unity: they didn't have a strong political government.
B. Disease. 70% or more natives were killed by the diseases the Europeans brought over
C. Technology: Europeans had more advanced technology than the natives