Both European Societies and Japanese Samurais had and hereditary system of classes. The warriors were the most important class in both of them, in Japan called samurai and in Europe called knights that served the lords of the local, and had some codes about moral an ethic.
Knights had a military rank, Samurais did not.
2. An individual's right to free speech has limits.
The way Reagan put pressure on the Soviet Union is by engaging in a military buildup the Soviets couldn't hope to equal.
Iron and ore help create steamboats and railroads for transportation or goods