Complex sentence: They arrived in Addis Ababa in 1959 on a three-year contract with the Ethiopian Government but only about 10 midwives had been trained before the Government closed the midwifery school.
Split into simpler sentences: They arrived in Addis Ababa in 1959 on a three-year contract with the Ethiopian Government. Only about 10 midwives had been trained before the Government closed the midwifery school.