Improvements in british roads allowed ​

At the end of the 17th century, British roads were in a terrible state. A law passed in 1555 instructed local people to maintain the roads in their area. Every parish through which a road passed was legally bound to maintain it by six days a year of unpaid labour. In many area, this law was ignored. Even in those parishes where repairs were carried out, as there was no outside supervision, it was usually just a case of people putting stones and gravel in the worst potholes. Little, if any, attention was given to drainage, and so during the winter these roads often became a sea of mud.

it affected it because the kingdoms (with trade) slowly got richer and richer.

i also think it is c