Complex sentence: In the autumn of 1964, the programme was authorised by Conservative Aviation Minister Julian Amery; however, following a general election in October, the incoming Labour government put the project on hold to reduce expenditure.
Split into simpler sentences: In the autumn of 1964, the programme was authorised by Conservative Aviation Minister Julian Amery. Then, following a general election in October, the incoming Labour government put the project on hold to reduce expenditure.