Answer: The introduction of barbed wire prevented cattle from walking freely across the plains as they had done in the first half of the 1800s.
Explanation:
The correct answer is D. During the 1760s, the British government adopted a series of tax policies in order to collect revenue to offset the War of France and Indian's costs.
As a consequence of the above, discontent was generated in most of the population which was loyal to the British. After the institution of these laws, merchants joined 11 other colonies to organize boycotts against the purchase of British products.
The answer would be, "C".
