parliamentary success because of holding London
1. it was the centre of printing which advantaged par in printing propaganda
2. there was greater access to city loans for finance
3. London homed 1/10 of the population which was beneficial in training bands for the fight at Turnham Green
4. it was the largest port
5. it was the chief industrial centre supplying arms, clothes and shoes
6. there was already an established centre of administration which could be taken advantage of