Complex sentence: But, after disappointing electoral outcomes and strong repression by the territorial police, by the mid- 1930s Albizu opted against electoral participation, and advocated violent revolution as the means to achieve independence.
Split into simpler sentences: But, after disappointing electoral outcomes and strong repression by the territorial police, by the mid- 1930s Albizu opted against the electoral political process. He advocated violent revolution as the means to achieve independence.