The Greeks were betrayed and the Persians blank

Explanation: The Persian King Xerxes I and his big  southward army the Greeks were betrayed then the Persians were able to outflank the Greeks.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

wisdom

explanation:

the fact that that the teachings on the cosmic order comes from, or through, the heart center