Think you are asking about nij&ryoti system, So here is the answer
ryoti system was the type of indigo cultivation in which planters provided the seeds and drill and the cultivators sowed the seeds and look after them.
HOPE IT HELPS :)
Answer: Congress of Vienna was a conservative answer to everything new what revolution brought.
Explanation: Congress of Vienna initated a closer collaboration between European governments to suppress all possible focal points of revolutionary events. A good example is a so-called "three liberal years" (1820-23) in Spain. At that time Spanish liberals forced the king Ferdinand VII to rule as a constitutional monarch. Other European monarchies organized a congress which opted for military invasion. Liberals were defeated and absolute rule of Ferdinand VII was re-established.
Probably 1, however I can see why that would be a tiny bit confusing.
Building walls protects from incoming invaders(at least back in the day), creating armies, makes a force to go and fight to protect the people, and what was the other one? Oh yea, moving to a safer place.
Doing that would mean making invasions less likely, and making your people feel and be safer.
Hope this helps.
Communist direct and manage their own schools.
The answer to your question is Mount Vernon.