Complex sentence: Shortly after Sandino returned to Nicaragua, the Constitutionalist War began when Liberal soldiers in the Caribbean port of Puerto Cabezas revolted against the Conservative President Adolfo Díaz, recently installed after a coup as a result of United States pressure.
Split into simpler sentences: Shortly after Sandino returned to Nicaragua, the Constitutionalist War began when Liberal soldiers in the Caribbean port of Puerto Cabezas revolted against the Conservative President Adolfo Díaz. He was recently installed after a coup as a result of United States pressure.