Fix grammatical mistakes in this sentence: Telegraphy flourish as it was relatively reliable and much faster than postal, encouraging more resources to be channelled into the development and research of radio technology.
The telegraph was a great invention, but it was not the only one.
Correct: The telegraph was a great invention, but it was not the only one.
Correct: The telegraph was a great invention, but it was not the only one.
Correct: The telegraph was a great invention, but it was not the only one.
Correct: The telegraph was a great invention, but it was not the only one.
Correct: The telegraph was a great invention, but it was
The telegraph was a great invention, but it was not a great invention.
Correct: The telegraph was a great invention, but it was not a great invention.
Correct: The telegraph was a great invention, but it was not a great invention.
Correct: The telegraph was a great invention, but it was not a great invention.
Correct: The telegraph was a great invention, but it was not a great invention.
Correct: The telegraph was a great invention, but it was