Now this is interesting - the US counter terrorism chief, John Brennan, says that jihadist are not the enemy. You will be interested in the reason given too. See and reply in this Thread: Source 7
International Level: International Guru / Political Participation: 3231 100%
US Military Support of Foreign Governments Increases Terror Attacks on US Citizens: Study
By LSE
Terrorist attacks on Americans are more likely to come from countries where the US provides military aid, stations troops and sells arms finds the study - the first to show a statistical correlation between American foreign policy and terrorism against its citizens. Ref. Source 2
Foreign jihadists flocking to Iraq and Syria on 'unprecedented scale' - UN:
The United Nations has warned that foreign jihadists are swarming into the twin conflicts in Iraq and Syria on "An unprecedented scale" And from countries that had not previously contributed combatants to global terrorism. Ref. Source 5