Final answer:
The 'Range Cattle' sign warns people about the presence of range cattle, indicating that cattle may be on or near roadways. This relates to the historical importance of cattle in the American West and the evolution of the cattle industry, from open range drives to ranching and meatpacking operations.
Step-by-step explanation:
The sign that says 'Range Cattle' typically warns people about the presence of range cattle. This is important as it informs drivers and pedestrians that cattle may be on or near the roadway and that they should proceed with caution. In the context of the history of the American West, understanding the significance of cattle and ranching is essential. Cattle ranching played a pivotal role in western expansion, transforming both the economy and the landscape of the regions such as the Great Plains.
Ranchers used to drive herds of cattle across the plains to market, an iconic image of the American West. However, inventions like barbed wire and the extension of railroad lines led to significant changes in how cattle were managed and moved, ultimately bringing an end to the open range and the era of the cattle drives. The cattle industry became increasingly dominated by businesses and adopted methods such as large-scale meatpacking plants, which had a profound impact on the American diet and economy.
It is worth noting that 'Range Cattle' signs are a modern continuation of this historical development, signifying areas where cattle still graze freely and may cross or wander onto roads, reminding us of the ongoing importance of cattle in certain regions, as indicated by maps such as the USDA's Beef Cattle Inventory map.