Answer:
Any subject of study needs justification: its advocates must explain why it is worth ... In the past history has been justified for reasons we would no longer accept. ... History should be studied because it is essential to individuals and to society, and ... Only through studying history can we grasp how things change
Explanation:
<span>Freedom and rights will only be available to those who are willing to exert themselves to win hold and have them. His words remind us that in any instance (and those instances may happen more often then we'd like) that we have to be willing to fight and risk death for our freedom ( our rights)!</span>
Success in trade always deals with advertisement. In this case, the spread of Islam help distribute it's teachings and beliefs making more people contribute to trade.
He was a son of the dynasty's founder Emperor Gaozu of Tang (Li Yuan), and in the intense rivalry developed between his older brothers Li Jiancheng the Crown Prince and Li Shimin.