▁Den mark ▁met ▁a ▁cr ushing ▁defeat . ▁This ▁led ▁to ▁most ▁of ▁the ▁German ▁Protest ant ▁states ▁ce asing ▁their ▁support ▁for ▁Christian ▁IV . ▁After ▁another ▁defeat ▁at ▁the ▁Battle ▁of ▁Wol g ast ▁and ▁following ▁the ▁Tre aty ▁of ▁Lü beck ▁in ▁ 1 6 2 9 , ▁which ▁forb ade ▁Den mark – N or way ▁from ▁future ▁interven ing ▁in ▁German ▁affairs , ▁Den mark – N or ways ' s ▁participation ▁in ▁the ▁war ▁came ▁to ▁an ▁end . ▁ ▁Tor st enson ▁War ▁ ▁Sweden ▁was ▁very ▁successful ▁during ▁the ▁Th irty ▁Years ' ▁War , ▁while ▁Den mark – N or way ▁was ▁a ▁failure . ▁Sweden ▁saw ▁an ▁opportunity ▁of ▁a ▁change ▁of ▁power ▁in ▁the ▁region . ▁Den mark – N or way ▁had ▁a ▁threaten ing ▁territory ▁surrounding ▁Sweden , ▁and ▁the ▁Sound ▁D ues ▁were ▁a ▁continu ing ▁ir rit ation ▁for ▁the ▁Sw edes . ▁In ▁ 1 6 4 3 ▁the ▁Swedish ▁Priv y ▁Council ▁determined ▁Swedish ▁territorial ▁gain ▁in ▁an ▁event ual ▁war ▁against ▁Den mark – N or way ▁to ▁have ▁good ▁ch ances . ▁Not ▁long ▁after ▁this , ▁Sweden ▁inv aded ▁Den mark – N or way . ▁ ▁Den mark ▁was ▁poor ly ▁prepared ▁for ▁the ▁war , ▁and ▁Norway ▁was ▁rel uct ant ▁to ▁attack ▁Sweden , ▁which ▁left ▁the ▁Sw edes ▁in ▁a ▁good ▁position . ▁ ▁The ▁war ▁ended ▁as ▁for ese en ▁with ▁Swedish ▁victory , ▁and ▁with ▁the ▁Tre