General History: Fast Battleships

What makes a battleship into a fast battleship? It seems like a simple question to answer, to be sure. A battleship that goes notably faster than other battleships.
As with many things, there can be multiple different answers and there can be edge cases where it doesn't quite fit. That's what this video seeks to answer.
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Further reading:
www.amazon.com/U-S-Battleship...
www.amazon.com/Battleships-Ax...
www.amazon.com/British-Battle...
www.amazon.com/British-Battle...
Just as a starting point.
0:00 - Introduction
2:32 - Pre-Dreadnought Era
7:08 - Dreadnought Era
14:42 - Treaty Era
24:24- First Fast Battleship?
26:09 - Ending