The threat to the survival of which nation led the Allies to pursue a “Europe-first” strategy? Italy
Poland
the United States
the Soviet Union

The threat to the survival of the  Soviet Union led the Allies to pursue a “Europe-first” strategy.

This union came to being by the hands of leaders of the Russian SFSR, the Ukrainian SSR and the Byelorussian SSR.

The Soviet Union, is known to be the Union of Soviet Socialist Republics, it was said to be  a socialist state that spread in all of Eurasia during  from 1922 to 1991.

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Answer

D

the soviet union

Explanation:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.