How did pa joad acquire the joad family house in the grapes of wrath?

In "The Grapes of Wrath," Pa Joad acquired the family house through a combination of hard work and land ownership, having purchased it years earlier. The house, along with the surrounding land, is a symbol of the family's stability and roots in Oklahoma. However, as the Great Depression and the Dust Bowl devastate the region, the Joads face foreclosure and eviction, ultimately losing their home to the bank. This loss propels them on their journey to California in search of a better life.