!! VERY IMPORTANT HELP !!
"who was wulfing; so war was looming and his people, in fear of it, forced him to leave. he came away then over rolling waves to the south-dane here, the sons of honour. i was then in the first flush of kingship, establishing my sway over all the rich strongholds of this heroic land. heorogar, my older brother and the better man, also a son of halfdane, has died. finally i healed the feud by paying: i shipped a treausre-trove to the wulfings and ecgtheow acknowledge me with oaths of allegiance"

WHY ARE THESE LINES IMPORTANT, WHAT DO THEY SHOW THE AUDIENCE?