Answer:
The answer is:Flow chart
Step-by-step explanation:
A compare organizer cannot be possible, as it is not comparing elections of two or more presidents, in this context. A Flow chart is helpful to describe processes, explaining steps and changes, exactly what we need here. A Venn Diagram is used to compare as well, two things that share something in common. An finally the timeline is mostly used for narrating events in chronological order.