starting help

just was out getting my 1973 duster ready for spring car been sitting for the winter. put batter, y in that was on a tender get in and turn key ---nothing no sounds at all . lights work , radio battery is good. everything worked fine before car was put away. replaced ballast. stiill nothing at the key. cannot understand what it could be never has happened before after winter storage. starter shot, ignition switch bad?? any ideas ? thanks