Why does Jack want to make a lot of money in California in the great horn spoon?

In "By the Great Horn Spoon!" Jack wants to make a lot of money in California to help his family back home. His determination is fueled by his desire to support his mother and younger brother after their financial struggles. The Gold Rush presents a promising opportunity for wealth, motivating Jack to embark on the adventure despite the challenges he may face. Ultimately, his quest for fortune is driven by love and responsibility toward his family.