Answer:
D.
Explanation:
The region that contained most Russian missile were Las Villas and Pinar Del Rio.
The Cuban Missile Crisis, was a one month and four standoff between the Soviet Union and the US. On October 14, 1962, an aircraft piloted by Air Force Maj. Richard D. Heyser flew over the Cuban territory in West and discovered a ballistic missile sites near San Cristobal in Pinar Del Rio.
Therefore, option D is correct.
