One factor was barbed wire. As farmers and ranchers wisened up, they used the wire to fence in their cattle, destroying the use of cowboys, and taking away one aspect of the "wide open west". Herds of cattle took over the plains and destroyed the grass. In 1883 the big drought struck and water streams dried up and prairie fires grazed. Also the barbed wire and the natural disasters.
Explanation:
The Progressive Era Summary
The Progressive Era (1896–1916) was a period of widespread social activism and political reform across the United States of America that spanned the 1890s to World War I. Progressive reformers were typically middle-class society women or Christian ministers.
Answer:
BEANSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
Explanation:
B. it opened the Oklahoma district and unassigned lands.
If the war was calked French and Indian war, Britain gain control over Canada and other French Colonies.