What is the name for americans who value cultural diversity, government programs for the needy, public intervention in the economy, and individuals' right to a lifestyle based on their own social and moral positions? also known as "left" or "left wing."?

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.