What argument did Scott use to sue for his freedom?

In 1846, after laboring and saving for years, the Scotts sought to buy their freedom from Sanford, but she refused. Dred Scott then sued Sanford in a state court, arguing that he was legally free because he and his family had lived in a territory where slavery was banned.

Explanation:

the answer is a glaciers carved a large valley that later flooded and became puget sound

he did it to save us from our sins, so we can see him in heaven 1 day. it's because he loves us so much. he used himself as the final sacrifice, so that we could be forgiven for our sins, so that we can see him in heaven, if we believe.