What is the significance of the Hundred Years War?

The national consciousness of the British and French increased significantly during the war. The formation of the French and English nations accelerated. France eliminated the main reason preventing the unification of the country. Several decades were enough to centralize the kingdom. This later led to the creation of a great power.
Outcomes:
The population of the French kingdom has halved;
France reclaimed land in the southwest;
Apart from Calais, England lost all possessions on the continent;
The island kingdom was engulfed in civil strife, the war of the Scarlet and White Roses began. There were no funds in the treasury for the return of French possessions;
The role of the infantry in combat has increased. It became possible to form standing armies;
They began to use firearms more widely;
Chivalry began to lose ground.