The biggest American banks had turned bankrupt these past several years after home mortgaging papers in their possession became worthless due to so many unpaid debts.
Nitong nakaraang mga taon, nagkandalugi ang pinakamalalaking bangko sa US matapos bumagsak ang halaga ng mga hawak nilang papeles sa pabahay dulot ng napakaraming di mabayarang utang.