How does columbus describe the native people?

Match the people with the descriptions.

Quick using the information in the graph, one might speculate that a) w.w.i created increased job opportunities in the u.s. b) the election of president hoover in 1936 caused unemployment to decline. c) the return of soldiers following w.w.ii caused unemployment to increase in the u.s. d) the new deal programs of president roosevelt created employment opportunities in the u.s.

Which scholars explained the roles of the public and private sectors by comparing it to maneuvering a boat?