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Answer:
The increase in the price of the product, the decrease in the consumer's income, a change in consumer preference.
Explanation:
As you can see in the chart above, there was a decrease in demand for a specific product. This decrease may have been caused by several factors, which are called determinants. Among the main determinants we can highlight the increase in the price of the product (which can make consumers feel unmotivated to buy the product and prefer not to consume it to paying more), the decrease in the consumer's income (the consumer has less money and therefore need to stop buying some products), changes in consumer preference (occurs when the consumer meets a competitor of the product that has a better price or quality).
The development of barbed wire in the 1870s changed the cattle ranching industry by allowing the cattle ranching owners that have large ranches to enclose their own territory in which allowed them from eliminating the possible competition in regards of the resources. It is because the barbed wire in the 1870s serves as an important tool that ranchers could use as a way of protecting their animals in the barn from predators capable of killing their animals and from also preventing other people from trespassing without their permission.
