<span>Herbert Spencer was the philosopher and scientist of the XIX, who applied the studies of evolution to the branch of biology and psychology, among others. Herbert Spencer was an English philosopher and sociologist. He developed an idea of evolution as the progressive development of the physical world, biological organisms, and the mind.</span>
Answer:
This is an example of B. Stimulus enhancement.
Explanation:
Stimulus enhancement refers to the ability to <em>learn the relation between a stimulus and its consequences.</em> This is learnt by observing another individual or being carry a certain action out.
In this case, one dog starts sniffing for potential scraps of food; this action enhances the other dogs to copy the sniffing behavior, even in different areas.
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
Warring states were defeated, and China was unified: Qin dynasty<span>Confucianism strengthened and spread: Han dynasty
</span><span>Written laws came into effect as a writing system developed: Zhou dynasty
</span><span>Hope this helped.
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