1 9 3 5 ▁C um h uri y et ▁H alk ▁Part isi . ▁The ▁single - party ▁regime ▁was ▁established ▁de ▁fact o ▁after ▁the ▁ad option ▁of ▁the ▁ 1 9 2 4 ▁constitution . ▁ ▁The ▁term ▁" de ▁fact o ▁single - party ▁state " ▁is ▁used ▁to ▁define ▁the ▁period ▁as ▁the ▁dominant - party ▁system ▁( in ▁this ▁case ▁Republican ▁People ' s ▁Party ), ▁unlike ▁the ▁single - party ▁state , ▁allowed ▁dem ocr atic ▁multip art y ▁elections , ▁but ▁existing ▁practices ▁effectively ▁prevent ▁the ▁opposition ▁from ▁winning ▁the ▁elections . ▁The ▁Republican ▁People ' s ▁Party ▁was ▁the ▁only ▁elected ▁party ▁in ▁the ▁parliament ▁between ▁ 1 9 2 5 ▁and ▁ 1 9 4 5 . ▁There ▁were ▁other ▁parties . ▁A ▁notable ▁example ▁was ▁Ne zi he ▁Mu h itt in ▁who ▁founded ▁the ▁first ▁women ' s ▁party ▁K ad ı n lar ▁H alk ▁F ı r k as ı ▁(" W omen ' s ▁People ▁Party ") ▁in ▁June ▁ 1 9 2 3 . ▁Women ' s ▁People ▁Party ▁was ▁not ▁legal ized ▁as ▁the ▁Republic ▁was ▁not ▁officially ▁declared . ▁The ▁Progress ive ▁Republican ▁Party ▁( T er ak ki per ver ▁C um h uri y et ▁F ı r k as ı ) ▁was ▁established ▁between ▁ 1 9 2 4 ▁and ▁ 1 9 2 5 ▁under ▁the ▁parliament . ▁Its ▁leader ▁was ▁Kaz ı m ▁Kar ab ek ir . ▁It ▁was