How did the hydrogen bomb shift global power

The balance of power that had existed between the Western countries and the Communist Bloc since World War II seemed to have radically shifted in the Communists' favor.

Explanation:

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.