Answer: Continents looked like they fit together.
Continental drift – Wikipedia
Continent – Wikipedia
Supercontinent – Wikipedia
The concept that the continents once formed a contiguous land mass was first proposed by Alfred Wegener the originator of the scientific theory of continental drift in his 1912 publication The Origin of Continents ( Die Entstehung der Kontinente ).
The term “continent” translates Greek ἤπειρος properly “landmass terra firma” the proper name of Epirus and later especially used of Asia (i.e. Asia Minor) The first distinction between continents was made by ancient Greek mariners who gave the names Europe and Asia to the lands on either side of the waterways of the Aegean Sea the Dardanelles strait the Sea of Marmara the Bosporus strait and the …
Continental drift is the hypothesis that the Earth’s continents have moved over geologic time relative to each other thus appearing to have “drifted” across the ocean bed. The speculation that continents might have ‘drifted’ was first put forward by Abraham Ortelius in 1596. The concept was…