The historical event that the beginning of the Anglo-Saxon period roughly corresponds with is C. the Roman pull-out from Britain.
Both of these happened sometime in the 5th century.
They would be in their 40's or there 50's because the war happened in the 90's .
The whealth of its citzens, the abundance of resources for its citizens, and the architecture and the use of construction in the city
the year England declared war on France was 1939