Complex sentence: A south-west/north-east tube line was originally planned as early as 1901 and a bill was put before parliament in 1904, however political manoeuvring by rival tube magnate Charles Yerkes killed off the proposal.
Split into simpler sentences: A south-west/north-east tube line was originally planned as early as 1901 and a bill was put before parliament in 1904. However political manoeuvring by rival tube magnate Charles Yerkes killed off the proposal.