It was one of the three demands expressed by the revolutionaries; "liberté, égalité, fraternité", French for liberty, equality, fraternity.
The French revolution stood against the monarchy and their lack of balance within the population and replaced it with republics and liberal democracies. This revolution change, the course of modern history, it is regarded as one of the most important events in human history.
The correct answer of the given question above would be the second option: THE INVENTION OF BARBED WIRE. The factor that contributes to the end of the open-range system is the invention of the barbed wire. There has been a widespread use of barbed wire fencing. Hope this answer helps.
