At first, ranchers saw barbed wire as a threat because it A. harmed their cattle.
B. kept their herds from roaming freely.
C. prevented cattle from finding food.
D. required much effort to maintain.

Choose B. kept their herds from roaming freely.

Explanation:

the main inference that can be drawn from jean jacques rousseau's book the social contract is: a. people can enjoy civil and physical freedom, even if it sometimes harms society.

1. darius the great     persia  

2. piankhi       nubia

3. ezana       aksum

4.     nebuchadnezzar     babylonia

5. shalmaneser iii     assyria