Question

range of soviet missiles, october 26, 1962
source: nara
which soviet action led to the threat illustrated on this map?

Explanation:

The map shows Soviet missile ranges targeting the Americas in October 1962, which corresponds to the Cuban Missile Crisis. This crisis began when the Soviet Union deployed nuclear missiles in Cuba, placing much of the continental U.S. within striking range.

Answer:

The Soviet Union deployed nuclear missiles in Cuba, which created the missile range threat illustrated in the 1962 map.