The timeline shows the history of mapmaking.
A timeline. The timeline begins at 15,000 B C E and ends at 2000 C E. 14,000 B C E Natural objects. 200 B C E Greeks. 400 C E Middle Ages. 800 C E Arabic globe. 1100 C E Chinese printed maps. 1973 C E Digital maps.
According to the timeline, what has caused changes in mapmaking over time?
the invention of the globe
the use of new technology
the invention of clay tablets
the use of the Greek language