Final answer:
The chart does not indicate which country won the naval arms race in the 1910s. However, the naval arms race primarily involved Great Britain and Germany, with Great Britain having a larger navy.
Step-by-step explanation:
The chart does not provide enough information to determine which country won the naval arms race in the 1910s. However, based on the provided information, the naval arms race primarily involved Great Britain and Germany. Great Britain had a well-established navy, while Germany attempted to build a navy to rival that of Great Britain. Although Germany constructed ships similar in size to the British, the British navy remained larger throughout the arms race.