Complex sentence: In early 2012, Iran threatened to shut the Straits of Hormuz after the European Union and the United Nationsinposed sanctions in response to the Iranian nuclear programme.The HMS St Albans was deployed alongside other British and French warships to secure the Straits of Hormuz.
Split into simpler sentences: In early 2012, Iran threatened to shut the Straits of Hormuz after the European Union and the United Nations imposed sanctions in response to the Iranian nuclear programme. HMS "St Albans" was deployed alongside other British and French warships to secure the Straits of Hormuz.