It was useful because it was one of the first forms of writing.
Answer:
Genetics
Continental drift
Explanation:
The genetics knowledge which is a library of traits serves as an information center which can be used to analyse evolution was not available to Darwin.
The knowledge of continents being a giant raft floating on molten rock that could fit into a puzzle was not available to Darwin that could solve the solve the existence of oddly similar terrestrial species on separate continents.
Answer:
a country in Asia (do u need more info about it?)
Here's a hint: one of them had a weird little mustache and was a Nazi.