Complex sentence: Ameal remained in Spain after the dismantlement of the "Elevador" conspiracy, and only resumed his political career after the proclamation of the Portuguese Republic on October 5,1910, was developed under the auspices of the First Portuguese Republic.
Split into simpler sentences: Ameal remained in Spain after the dismantlement of the "Elevador" conspiracy, and only resumed his political career after the proclamation of the Portuguese Republic on October 5,1910. His later public life was developed under the auspices of the First Portuguese Republic.