Answer:
a. Harlan, who is testing a theory about the development of prejudice
Explanation:
Basic research refers to a form of research that carried out in order to prove or disprove a theory that already proposed in the past. This type of research is most commonly used in finding out patterns among common occurrence that people often overlooked.
(in option A, harlan conducted the research to prove whether the theory about the development of prejudice is correct)
In order to achieve the conclusion, Harlan need to set up a control group filled with independent variables that can influence the development of prejudice.
<span>Most sociologists believe that gender differences in behavior between men and women are learnd for the most part.
</span><span>People adjust to life problems and provide guidelines for daily life. And in this process learn. They learn how to behave, how to react and how to communicate with others.
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The most effective choice for a speech is usually the one that could aroused the emotion of your audiences.
So it would be something like : the history of democracy
With this topic, you could remind the audience on the fight that your ancestors have to pass through to achieve the current greatness and conditions
hope this helps
A is the answer your welcome