Complex sentence: English law and Scots law have always distinguished between the Monarch's subjects and aliens, but British nationality law was uncodified until the British Nationality and Status of Aliens Act 1914 codified existing common law and statute, with a few minor changes.
Split into simpler sentences: English law and Scots law have always distinguished between the Monarch's subjects and aliens. The British Nationality and Status of Aliens Act 1914 codified existing common law and statute, with a few minor changes.