How is Tom a foil to Huck?

Tom is a foil to Huck in the way that he represents society's expectations and norms, while Huck embodies freedom and independence. Tom's adherence to rules and traditions contrasts with Huck's pragmatic and instinctual approach to life, highlighting the tension between societal expectations and personal values. Tom's romanticized view of adventure and mischief contrasts with Huck's more realistic and genuine experiences on the river.