Answer:
D. It could show statistics for more than one presidential election.
Explanation:
The above option is the correct answer.
The table could have been more useful and effective, if there are more statistics.
Tables are effective whenever they are used in supplying data which may not be fully explained in a text. So, giving more statistics will help whosoever want wants to read the text.
a i would say because its like the point of the story
Sick, Morning. Hope this helped.