The Taino were the first native Americans Christopher Columbus came into contact with.
The arrival of the Indo-Europeans in the Near East made huge changes in the region with long lasting effects. After their arrival, the region started to develop significantly, multiple strong empires were formed, empires that were developing the sciences, the weapons, the culture, politics, empires that managed to spread all of these things around and change the way of thinking and functioning of the whole region, and later on, on a much larger scale.
Economic growth depended upon the continued expansion of the empire.
C. When he defeated king Darius 3rd of persia
It means that everyone, no matter who you are or what you look like or where you are from, have access to the same things under law.