The British resistance was broken and the settlement of all Angles could start. They came with all their people invading Scotland and settled later in England which they gave it's name. It's not their fault that the alliance of Britons, Scots and Picts tried to stop them near Kirkcaldy. It's part of Germanic wars because the British are pro Romans. Not Romans them self but they are clients of the Empire. Is that so hard to understand? Read the article Angles for better understanding.