Complex sentence: While studying political science and economics at the American University of Cairo, he met Arafat and became politically active, Graduating in 1956, he founded the paper al-Jamahir (The Masses).
Split into simpler sentences: While studying political science and economics at the American University of Cairo, where he met Arafat and became politically active, graduating in 1956. That year he founded the paper al-Jamahir (The Masses).