1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated 2) 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 3) a woolen cap of scottish origin DOWN 1) a case for containing a set of articles 2) a period marked by distinctive character or reckoned from a fixed point or event 3) edible tuber of any of several ___s ** Scroll down for solution. ** Are you sure you want to peek? key ira tam