Answer :
Final answer:
A timeline is a visual representation of events, people, or ideas in chronological order.
Explanation:
A timeline is a visual representation of events, people, or ideas in chronological order. It helps to organize and understand historical information. The example given shows major events from the first half of the 20th century, with each event placed at the appropriate place on the timeline. The timeline spans from 1900 to 1950, with tick marks representing each year. Events that happen over a period of several years are connected with horizontal bars.
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