What bargain does tom make with the stranger in the forest?

In Nathaniel Hawthorne's "The Devil and Tom Walker," Tom makes a deal with the stranger, who is implied to be the Devil, in the forest. The stranger offers Tom wealth and prosperity in exchange for his soul. Desperate for riches, Tom agrees to the bargain, which ultimately leads to his moral decline and a tragic fate. This deal symbolizes the consequences of greed and the loss of one's integrity.