What is the theory of continental drift? what did alfred wegener notice that him to create this theory?

What did Alfred Wegener notice that helped him to create this theory?- he noticed patterns of fossils on different continents

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.