This is because Hinduism was highly associated with the Caste System which was a social structure which India adhered to prior to its abolition. It states that the higher your caste, the more likely you are to be able to achieve moksha. If you are in a lower caste, it is because you recieved bad karma in your previous life.
He was a russian communist ,poet,playwright.
The scientific revolution was an important period of time that took place from the end of the Renaissance and lasted until the 18th century in Europe. The scientific revolution led drastic changes in the way the world was conceived and how humans ordered their universe and understood the world around them. The growth in empiricism, mathematics, astronomy, physics, biology, and many other scientific fields began the process of human kind gaining greater insight into the world around them in a way that was in line with empirical knowledge and the scientific method. The scientific revolution laid the groundwork for the creation of all scientific inquiry that came after this period of time.
As with everything, interpretations depend upon the reader. An example can be the Quakers who were religious and fought for abolition of slavery claiming that the constitution stated itself that all people on Earth are equal since they were created by God, the creator. The founding fathers, however, believed that slaves cannot be people and that they are 3/5 of a regular human being, so equality does not apply to them.
Because he wanted to free the slaves