Final answer:
Spies provided the USSR with valuable information during the Cold War, helping them gain military intelligence and further their political interests.
Step-by-step explanation:
The spies provided the USSR with valuable information during the Cold War. This information helped the USSR gain military intelligence, carry out acts of sabotage, and further their own political and ideological interests. For example, the USSR was able to discover the construction of American missile silos in Cuba, which led to the Cuban Missile Crisis. They also received information about potential threats to their nation and used it to make strategic military decisions. Overall, the information provided by spies contributed to the USSR's efforts in espionage, diplomacy, and military planning.