liberalism involves the idea that International institutions encourage cooperation by creating iterated games and lowering transaction costs. Liberalists have this optimistic view that he world has opportunities even for countries that don’t trust each other to develop organizations to foster peace and cooperation They act under the assumption that states interact regularly and that states reflect domestic politics in way that can be much more positive sum (”Lets get rich together”) rather than a realist zero-sum -game. This is easiest if countries are democracies since the interests of consumers and businesses are both represented.

The washington system is a set of deals made at the Washington conference in 1921-22. This system asked Japan to give up military treaties in favour ot the four power non-aggression pact including US, Britain, Japan, and France. The aim was to resolve differences without war, giving up military alliances and stop fortifying islands. They also agreed on the nine power treaty which committed all not to interfere in internal affairs of china and violate china’s territorial integrity any further, resulting in Japan giving up Shandong concession.

Washington system:

japan giving economic expansion a try:

1920s domestic politics in japan: