▁A cher on . ▁The ▁surv iving ▁members ▁of ▁the ▁class ▁were ▁scra pped ▁in ▁ 1 9 2 0 ▁as ▁part ▁of ▁the ▁dis arm ament ▁process ▁after ▁World ▁War ▁I . ▁ ▁Car ola ▁class ▁ ▁The ▁Car ola ▁class ▁was ▁ordered ▁shortly ▁after ▁the ▁B ism ar ck ▁class ▁as ▁part ▁of ▁the ▁same ▁program ▁to ▁expand ▁and ▁modern ize ▁the ▁German ▁cru ising ▁fleet . ▁They ▁were ▁broad ly ▁similar ▁in ▁design , ▁and ▁while ▁the ▁Carol as ▁were ▁slightly ▁smaller ▁than ▁the ▁B ism ar cks , ▁they ▁were ▁broad ly ▁similar ▁in ▁capabilities , ▁having ▁a ▁similar ▁arm ament , ▁speed , ▁and ▁cru ising ▁radius . ▁They ▁were ▁also ▁intended ▁to ▁serve ▁on ▁over se as ▁stations , ▁having ▁bar que ▁rig s ▁for ▁long - range ▁cru ising . ▁The ▁first ▁four ▁vessels ▁were ▁built ▁to ▁the ▁same ▁design , ▁but ▁the ▁last ▁two , ▁Alexand r ine ▁and ▁Ar con a , ▁were ▁completed ▁to ▁a ▁modified ▁design ▁that ▁was ▁longer ▁and ▁util ized ▁a ▁two - sh aft ▁prop ulsion ▁system , ▁the ▁first ▁time ▁such ▁an ▁arrangement ▁was ▁used ▁in ▁a ▁German ▁cor v ette ▁design . ▁The ▁Car ola ▁class ▁was ▁an ▁ob sol es cent ▁design ▁before ▁work ▁even ▁started , ▁however , ▁as ▁other ▁nav ies ▁began ▁to ▁build ▁more ▁modern ▁un protected ▁cru is ers ▁for ▁colonial ▁duties . ▁As ▁a ▁result , ▁the ▁ships ▁were ▁largely ▁useless ▁as ▁war ships ▁apart ▁from ▁against ▁similarly ▁dated ▁designs .