Complex sentence: The railway was fully opened in 1932, and ran from the port of Massawa westwards to Asmara, then extending northwards to Keren, Agordat and Bishia.
Split into simpler sentences: The railway was fully opened in 1932. It ran from the port of Massawa westwards to Asmara, then extending northwards to Keren, Agordat and Bishia.