NEW : Agreement asks `` temporary assistance '' of U.S. troops , but limits their role . After months of tough negotiations and intense political wrangling , Iraqi lawmakers Thursday approved the U.S.-Iraqi security agreement , a pact that allows the presence of American troops in Iraq for three more years . NEW : Pact gives Iraq jurisdiction over U.S. troops `` for grave premeditated felonies '' NEW : U.S. ambassador , military , welcome Iraq 's passage of agreements . *
NEW : Agreement asks `` temporary assistance '' of U.S. troops , but limits their role . NEW : Pact gives Iraq jurisdiction over U.S. troops `` for grave premeditated felonies '' NEW : U.S. ambassador , military , welcome Iraq 's passage of agreements . *