Answer:
Endorsement
Explanation:
Endorsement is a term that describes the act or action of endorsing or giving a "go ahead" or approval of something, or someone.
In other words, endorsements is defined as an acts that shows an individual or group of people give a support to something or someone.
Hence, in this case, the acts of Hugging a good friend while saying, "i think that you did well!" is an example of ENDORSEMENT.
Answer:
In the history of Europe, the Middle Ages or Medieval Period lasted from the 5th to the late 15th century. ... Population decline, counterurbanisation, the collapse of centralized authority, invasions, and mass migrations of tribes, which had begun in Late Antiquity, continued in the Early Middle Ages.
Explanation:
The answer to this question is Salvation
Pavlov conduct this research to make sure that the salivation process being done by the dogs is not a result of normal biological process and deepen his understanding on why and how the salivation works.
After making sure that there is no correlation, then he started to teach the associations in order to know whether external stimuli could influence it.