The graph "Inequality in Selected Countries" is best supported by "The income gap narrowed in the United States between the late 1930s and the 1970s. Since then, it has widened"
The graph shown the level of Inequality in the selected Countries especially in income, housing, standard of living etc
Therefore, the Option C is correct.
Read more about Inequality
brainly.com/question/1870140
#SPJ1