can you specify what "dn" is so we can get you the right answer?
The stock market crashed in 1929 because investors had put too much capital into the stocks by borrowing large amounts of money that they did not truly have.
The top group was philosopher kings i believd
Many former salves expected the federal government to give them a certain amount of land as compensation for all the work they had done during the slave era. During Reconstruction, however, the conflict over labor resulted in the sharecropping system, in which black families would rent small plots of land in return for a portion of their crop, to be given to the landowner at the end of each year.