ht be for the purpose of an attack on Russia . . . but we were bound to consider in the light of this very formidable build-up, that conflict between Germany and Russia was possible. [113]Of course there was an attack on Russia by Germany, but the Soviets were not completely unprepared thanks to our intelligence’s work. [113] Our spies had a work as great as the troops that fought in the war, because they also put themselves on the line in the other countries to support the war behind the scenes. Their contributions helped the US in preparing other countries for attacks that would soon after ally themselves with them.The attack on Pearl Harbor was a major part of the war. Although intelligence helped maintain our strength in the war, its’ mistakes helped us make it into the war. Intelligence historian David Kahn observed this:“Intelligence officers could have perhaps have foreseen the attack if the United States, years before, had instituted spies into high level Japanese military and naval circles, flown regular aerial reconnaissance of the Japanese navy, put intercept units aboard ships sailing close to Japan to pick up naval messages hat greatly expanded codebreaking unit might have cracked. . . . The intelligence failure at Pearl Harbor was not one of analysis but of collection.” [122]Although it was not necessarily a mistake, the attack, according to Historian David Kahn could have been either known of or prevented. [123]Some of the various information that was critical for the US to acquire was provided by their counterspies. [124] These spies were used as agents against those who stole information that would help the Axis in their wins, just as the USA used their own Espionage to their advantage so would their enemies. Keeping their information was a critical point so that Germany was not able to know that the Allied Powers knew of their plans. Some of the transmitting had to stop because of the dang...