How much of a priority do you think the french and indian war was to britan before william pitt became the head of the british government

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

they were byzantines

demand is the need and oportunity to buy a given good or service.