What event brought the roaring twenties to a grinding halt?

Which document does the second paragraph of the declaration of independence echo

Thinking back to previous chapters, analyze america’s policies toward indians from the washington administration to the removal of indians from the southeastern states in the 1830s and early 1840s. what ideas and policies about indians remained the same? which changed? why?

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?