Answer:
c) variability, reactivity, and complexity.
Explanation:
According to the textbook, the three things that make people especially difficult to study are <em>variability, reactivity, and complexity</em>. Moreover, people are very difficult to study because there are ethical issues when observing and measuring other human beings. Variability makes people difficult to measure because there are many differences between people, and also people are complex beings. Reactivity makes people act differently when they know they are being observed.
I don't know much about diplomacy but this might help :)
<span>The functioning of diplomacy is influenced by a complicated combination of different interrelated factors. This paper briefly analyses their impact on the evolution of diplomacy and discusses how diplomacy as an instrument of good governance should adjust itself to meet the new challenges, to become more relevant, open and agile, to modify its methods and to fully utilize opportunities offered by the technological revolution.
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Here are the answers to your question
14 c
15 b
16 d
17 d
They use taxes and money from people who get in trouble with the law
The major believe that a man should not places himself in a position to lose a spouse