Answer:
Timelines are cause and effect graphic organizers because it shows where and when historical events (causes) occurred and what other events occurred as a result of it (effect).
Step-by-step explanation:
Timeline usually consists of a graphic drawing that shows a long bar with the legend of dates next to the bar of the use of time that (usually) indicates the events next to the points where they happened. Timelines are commonly used in education to help students and researchers understand events and establish relationships of events in a given subject. These usually show the time periods between two events.