1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a militant organization of irish nationalists who used terrorism and guerilla warfare in an effort to drive british forces from northern ireland and achieve a united independent ireland 2) a sign of assent or salutation or command 3) a communicable infection transmitted by sexual intercourse or genital contact DOWN 1) an agency in the department of justice that enforces laws and regulations for the admission of foreign-born persons to the united states 2) a state of decay usually accompanied by an offensive odor 3) a condition (mostly in boys) characterized by behavioral and learning disorders ** Scroll down for solution. ** Are you sure you want to peek? ira nod std