If the intelligence has ts own agenda, it tend to focus more on a specified issue. When it narrows its focus, then intelligence causes a failure that is know intellegence failure. This situation occurs when the intelligence becomes politirized**. It is possible to observe intelligence failure from past events such as, Wietnam, Iraq wars and etc. on the other side, intelligence failure directly affects the US foreign and security policies. When the intelligence narrows its process, the US policymakers face a risk of seeing the outside of the US in a wrong perspective. So, it is also possible to say that the US foreign and security policies are not just unsuccessful but also misguided. one of the most explicit example of effects of intelligence
