and they said if they won't

'即便他们不遵守对神明的承诺
keep their promises to the gods, we will.

我们会'
That provides justification

那就为建造第一座神庙
for building the first of the great temples

提供了正当理由
he was going to put up on the Acropolis, the Parthenon,

他在雅典卫城上修建了帕特农神庙
which was going to be the great marvel

后者之后在希腊世界里成为了
of the Greek world thereafter,

伟大的历史奇迹
and which was going to be very expensive,

修建神庙成本不菲
and which he was going to use league money for.

甚至得动用到联盟资金
This would legitimize it, he hoped,

他希望这可以使神庙的修建被认可
and it would be an argument for doing that.

而神庙的修建也构成了资金供应的理由
As for the claim that they needed to preserve the freedom of the seas,

至于雅典需维持海上自由的主张