They could emphasize their contributions to the productivity of Congress in recent years, which is the statement that best identifies and improves the chances of winning reelection for congressional incumbents. Thus, the correct option is B.
<h3>What does the given graph signify?</h3>
The graph given below signifies the percentage of registered voters with respect to the percentage of voters favoring the reelection of congressional incumbents.
It also reveals the support get from voters to the most members of Congress and other US representatives of the district.
To improve the chances of winning reelection, it is required to emphasize the contribution, productivity, and manifesto based on recent years since 2000.
Therefore, the correct option for this question is B.
To learn more about congressional incumbents, refer to the link:
brainly.com/question/9560457
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