Answer:
b
Explanation:
to promote open markets throughout china
oohhhhh that makes since lemme work on it
they have their own strategies and inventions from hero Themistocles. Themistocles helped the Athens win the battle against the Persians .
It was needed because they needed to fight to win, if they backed off they would get attacked. Therefore, they needed to attack before they did for a better chance of winning.
