Who used khipu, a system of recording numbers by tying knots on strings?.

Use the quotation and your knowledge of social studies to answer the following question. "finally, in our progress toward a resumption of work we require two safeguards against a return of the evils of the old order; there must be a strict supervision of all banking and credits and investments; there must be an end to speculation with other people's money, and there must be provision for an adequate but sound currency." —franklin d. roosevelt, first inaugural address. which new deal agency related most closely to what president roosevelt was speaking about in this quotation?