The proposed pact has come under fire from religious and political leaders both in Iraq and in neighbouring Iran with anti-American cleric Moqtada al-Sadr vowing to keeping up protests until the deal is scrapped.
Baghdad had sent teams to several countries to study their military pacts with the US.
We dispatched four technical teams to Germany, Turkey, South Korea and Japan to see how they did in these countries," Zebari told reporters on Sunday.
Baghdad had assured its neighbours that the deal will not go against their national interests.
any deal with Iraq would be similar to more than 80 such pacts Washington has with other nations
It says the pact will not specify troop levels, establish permanent bases in Iraq or tie the next president's hands.
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