How could William the Conqueror solve his problems?

Answer 1

William went straight to Dover and killed the soldiers in the castle he then left his own soldiers there in replacement. He burnt down the castles because to scare the people around him, to prove them that was their rightful king. He also burnt them down because to prove that he was the rightful king and also to prove that he was very powerful and strong. keep calm and carry on peeps :)

Answer 2

By burning down towns and villages and killing people on his way into London from Hastings

Answer 3

he used feudalism and made castles and he did the Harrying of the North