Which president is linked to the "trickle-down theroy" of economics

By the late 1930s, how were u.s. officials beginning to view japanese policies of expansion? a. they attempted to join forces with japan so as to increase u.s. territory. b. they warned them to stop expansionist actions or face potential u.s. intervention. c. they sent representatives to japan to work out territorial rights in a diplomatic fashion. d. they became fearful of their military power

Only 1 vote per state regardless of size why is this a problem

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?