Pedzisa mutsara unotevera: Kubatanidzwa kwemavara matsva emunda, kunyanya kushandiswa kwegirini, kwakanga kusiri kwechinyakare mukugadzirwa kwemureza wenyika yePortugal uye kwaimiririra shanduko yakasimba yakafuridzirwa nehurumende iyo yakaparadza chisungo neyekare mureza wehumambo. Kubvira pakukundikana kwechimurenga cheRepublican musi wa31 Ndira 1891, tsvuku neruvara rwakasimbiswa semarudzi ePortuguese Republican Party nemasangano ayo akabatana, ane mukurumbira wezvematongerwo enyika wakaramba uchikura kusvikira yasvika panguva yakakwirira zvichitevera kupandukira kwePortugal.
Shanduko yeRepublican yaOctober 5, 1910. Mumakumi emakore akatevera, mavara aya akaparadzirwa zvikuru achimiririra tariro yerudzi (girini) neropa revaya vakafira kurudzi rwacho (tsvuku), senzira yokuvapa manzwiro okuda nyika uye okuremekedza, nokudaro asiri ezvematongerwe enyika.