Well equip
Well train
better navy
more money to spend on military
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.
Answer: B. spacious and level
Explanation:
Patrick Henry! I hope this helps