Why was the invention of barbed wire in 1874 so important to farmers

In which case did the supreme court's decision allow schools to use forced bussing to ensure integration of its schools?

Do you believe that unity of purpose and belief are what made the american colonies strong, or do you believe that societies whose citizens were compelled to interact with people of differing beliefs were the most successful, based on the history

What did the british agree to in the treaty of paris?