The Best Example of the Generational Effect Is Which of the Following

The best example of the generational effect is which of the following?

A) Individuals who are in their early twenties tend to have a more liberal attitude toward social issues.
B) Candidate Hillary Clinton received significant support from women in the 2016 presidential campaign.
C) Many individuals remember where they were the night Barack Obama was first elected.
D) Individuals who came of age during the Watergate scandal have a cynical attitude toward government.
E) Individuals with a high economic status tend to be more politically involved.