Mongols favored trade even before Ghenghis khan, they hunted/herded very few were weapon makers or potters/weavers, many items they needed to living had to be traded. As Ghenghis khan rose to he realized the Mongol army was gonna need many things for battles. To facilitate trade Ghenghis offered protection to merchants that came from east and west, offered higher status for merchants allowed by the Chinese or Persians who despised trade and traders.
I believe the power was separated so that no one group of people had to much power. It is the basic gest of why we separate a lot of things so that everyone has equality and all power is not going to one person or group who does things in favor of another person or group. The power was then distributed so each branch could help keep the other branch from becoming power hungry and unsociable power feigns.
Answer:
In the aftermath of the Indian Rebellion of 1857, under the provisions of the Government of India Act 1858, the British government nationalized the EIC. The Crown took over its Indian possessions, its administrative powers and machinery, and its armed forces. The EIC was officially dissolved in 1858 and the rebellion also led the British to reorganize the army, the financial system, and the administration in India. The country was thereafter directly governed by the Crown as the new British Raj.