Most caste systems in our history were based on a person's skin color. I'm gonna take a guess that it would be the same for this part of the world.
A major difference between industrialization in Japan and the United States was that "<span>Only Japan industrialized as a result of foreign pressure" since many in Japan did not want to change their economy. </span>
The Spaniards' policies became more humane to reduce conflict with Native Americans.As more settlements were established, more people moved to the region from Spain.The mixing of the Spanish and the natives formed a new blended culture.Hundreds of millions of people in South and North America still speak the Spanish language.Latin America is largely Roman Catholic.The culture and traditions of Spain influence the southwestern United States
The answer to the first question is: the king of India, he never conquered India. The answer to the second: Phalanxes. The phalanxes were based on the usage of long spears, that would stop the enemy advancing.