1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 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) european strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy 3) the elementary stages of any subject (usually plural) DOWN 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 small lump or protuberance 3) 1/60 of a minute; the basic unit of time adopted under the systeme international d'unites ** Scroll down for solution. ** Are you sure you want to peek? ins rue abc