Original sentence: In 1974, following 11 years of intercommunal violence and an attempted coup d'état by Greek Cypriot nationalists, and elements of the (mainland) Greek Army, Turkey invaded and occupied the northern portion of the island, Turkey's aim since 1955
Edited sentence: In 1974, following 11 years of intercommunal violence and an attempted coup d'état by Greek Cypriot nationalists, and elements of the (mainland) Greek Army, Turkey invaded and occupied the northern portion of the island