Iryo-Ousestu-Taii (1863) was written for Kawaji Toshiakira who was an acquaintance of Yokoi from his Edo years when he had studied in Edo and was a diplomatic representative for Russia, and dealt with the manner in which Japan should treat the US’s and Russia’s envoys, who had visited one after another.
In Iryo-Ousestu-Taii Yokoi completely changed his posture of choosing the political-economic system between the isolation and ‘the interest of trade’ alternatively in Miscellaneous Impressive Memos in Studying in Edo, and wrote the viewpoint of ‘the public way of national policy’ based on ‘the principle of trade’ as the assumption of political-economic system. In such a case, did ‘the public way of national policy’ mean to ‘trade with any country freely’? This was not the case, according to Yokoi. As already proven in ‘trade’ with China (Qing) and the Netherlands under ‘the closed system’, the standard of ‘the principle of trade’ was a result of ‘that reason’ whether ‘the nations defended faith without violating or …show more content…
The issue of choosing ‘the closed country’ by ‘the unrighteous road’ in Japan, even if aiming at ‘the opening of the country’ to the world., is a value of c, and the case of forcibly having to choose ‘the closing of the country’ in Japan through ‘the unrighteous road’, including through the Western powers, is a value of d. Let us assume that a > b >c>d is the relation between each