Because it was the main way to ear money cause it was before the industrial revolution was in process (i apologize if this answer is incorrect)
Indian economy is set to expand at the world's fastest rate over the next 50 years to emerge as a major force globally, but it would still rank as the second worst in terms of prosperity of its citizens.
Over the 50-year period between 2011-2060, India will register an annual economic growth rate of 4.9%, as per a latest report by Paris-based international grouping of the world's leading economies, the Organisation for Economic Cooperation and Development (OECD).
India's per-person GDP (measure of well-being of a country's citizens) will also grow more than 7-fold during this period, but the country will still rank at second place from the bottom by 2060 in absolute terms, said the report.
Well you will half to get arrested and go to court.
I believe the answer is: Relationship building
understanding similarities and differences serve two important functions in relationship building. The first one is to create a sense of tolerance between different group of people. The second one is to help them achieve tolerable compromise during negotiation rather than conflict.