The answer is narcissism.
<em>Hope this helped! :)</em>
The Vietnam War was a violent battle that lasted for many years and had the controversial participation of the USA. In this conflict, the USA used state-of-the-art equipment and has more weapons to use and guarantee victory in the war. However, the Vietnamese army, even at a disadvantage in terms of armaments and technology, came out victorious because they had the advantage of the region's climate and topography.
Vietnam had a topography with little linearity and extensive vegetation, which allowed the Vietnamese to use their knowledge about the place and hide various traps that were not located by American equipment and caused American soldiers to be captured.
Ocean currents generally flow clockwise in the Northern Hemisphere.
Yuri's behavior was a reflection of intrinsic motivation, whereas George's behavior was a reflection of extrinsic motivation.
Intrinsic motivation refers to people who are driven by internal awards - in this case, Yuri wants to learn something new, and when he does, he will feel satisfied. On the other hand, extrinsic motivation refers to something external, like receiving money, or in George's case, a good grade.