Complex sentence: Later he was elected to the House of Delegates of Puerto Rico and, in 1910, as Resident Commissioner of Puerto Rico, serving the island as a representative in Washington, D.C. from 1911 until his death in 1916.
Split into simpler sentences: Later he was elected to the House of Delegates of Puerto Rico. In 1910, he was elected as Resident Commissioner of Puerto Rico, serving the island as a representative to Congress from 1911 until his death in 1916.