▁maintain ▁tar iffs ▁on ▁various ▁agricult ural ▁products ." ▁ ▁By ▁April ▁ 2 0 1 5 ▁U . S . ▁Trade ▁Represent ative ▁( U STR ) ▁Michael ▁From an ▁and ▁Japanese ▁Econom y ▁Minister ▁A ki ra ▁Am ari ▁— re present ing ▁the ▁two ▁largest ▁econom ies ▁of ▁the ▁ 1 2 - n ation ▁T PP — w ere ▁involved ▁in ▁bil ater al ▁tal ks ▁regarding ▁agricult ure ▁and ▁auto ▁parts , ▁the ▁" two ▁largest ▁obst acles ▁for ▁Japan ." ▁These ▁bil ater al ▁acc ords ▁which ▁would ▁open ▁each ▁other ' s ▁" mark ets ▁for ▁products ▁such ▁as ▁rice , ▁p ork ▁and ▁autom ob iles ." ▁In ▁Japan ▁" rice , ▁whe at , ▁bar ley , ▁be ef , ▁p ork , ▁da iry ▁goods , ▁sugar ▁and ▁st arch ▁cro ps ▁are ▁considered ▁polit ically ▁sensitive ▁products ▁that ▁have ▁to ▁be ▁protected ." ▁During ▁the ▁two - day ▁minister ial ▁T PP ▁negoti ating ▁session ▁held ▁in ▁Singapore ▁in ▁May ▁ 2 0 1 5 , ▁the ▁U . S . ▁Trade ▁Represent ative ▁( U STR ) ▁and ▁veter an ▁negoti ator , ▁Wend y ▁C ut ler , ▁and ▁O e ▁H iro sh i ▁of ▁the ▁Japanese ▁Ga im us ho ▁held ▁bil ater al ▁trade ▁tal ks ▁regarding ▁one ▁of ▁the ▁most ▁content ious ▁trade ▁issues — autom ob iles . ▁American ▁negoti ators ▁wanted ▁the ▁Japanese ▁to ▁open ▁their ▁entire ▁ke ire ts u ▁structure ▁which ▁is