I believe the answer is: conducting research to learn about the social world
The research in sociology is usually done in order to uncover whether a certain situation created by society affect the lives of the smaller social group. Rather than relying only on the words from authority, it reveal the perspective of all people involved starting from the bottom of society all the way to the power holders.
Answer:
B
Explanation:
A is wrong bc America is classified as developed nation but doesn't have free health care
C is wrong bc again, America has been using capitalism system for a long time
D using America as example again, has many allies