A big similarity was that both medieval Europe and Japan employed feudalism; roughly summarized in Europe as: King --> Clergy --> Nobles --> Knights (Vassals) --> Serfs; summarized in Japan as: Emperor --> Shoguns --> Daimyo --> Samurai (Vassals) --> Serfs. Addressing the second portion of yoru question, it's YOUR opinion, so I'll leave it up to you :)
Further Topics for Study: Feudalism, Serfs, Vassals, Medieval Europe, Medieval Japan, the Heian Period, The Sengoku Period, the Dark Ages, Christianity, Animism, and more!
The answer is public and private assistance from the United States and other nations. The Green Revolution alludes to an arrangement of research and the improvement of innovation exchange activities happening between the 1930s and the late 1960s (with prequels in crafted by the agrarian geneticist Nazareno Strampelli in the 1930s), that expanded rural creation around the world, especially in the creating scene, starting most particularly in the late 1960s.
b Liberalism
Liberalism as an ideology has political and economical regard. These privilege individual autonomy, equal chances for everyone. Liberalism was historically the reaction from the "burgouise" and the mercantilist classes against the state intervention. They were happy to act independently of state legislation to engage in economic exchanges. Later this philosophy incorporated the notions of separation of powers, representative and limited power. Rights in the protection of life, and especially the protection of the private property. In this way, they set the boundaries for the state to defend the private property and be a guarantee for ensuring conditions favorable for economic growth.
They wanted to earn the respect of the white man.