Why did cowboy culture essentially become obsolete

During the winter of 1886-1887, thousands of cattle died when temperatures reached well below freezing in parts of the West. Many scholars believe that this devastating winter was the beginning of the end for the cowboy era. Cattle drives continued, but on a smaller scale, up until the mid-1900s

what are local authorities doing to fix the problem

explanation:

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.