Zarathustra had a monotheistic religion called Zoroastrianism...I'm pretty sure..? Hope it helps :)
Normality and being sane. The opposite of unalienable would be alienable which means being an outcast or criticism for being different.
In this paragraph unalienable refers to men being equal and how this should be normality for the world.
Hope this helps if your still struggling look at BBC Bitesize
Progressivism is the result of the modernization in the society. Progressive movement aimed at eradicating dishonesty and they believed in a positive Government which is purely democratic and worked for the welfare of the people. Local grandees started to exert their influence in creating a Government. This was abolished by the progressives.
In the period of progressivism many antitrust laws came into existence which aimed at fair trade and removed monopolies.
Progressive thinkers sought that the education is a natural right and every human must be made a literate. To improve the quality of education, schools were modernized and use of technology was at its peak.
Here are two main ways in which <span>immigrants dealt with adjusting to life in the United States:
1. They worked hard as servants, miners or farmers;
2. They cooperated with communities with the same views and religion.</span>
Native Americans would continue to lose land to settlers and conflicts as well as established a definite boundary between the U.S. and Natives.