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.
Women gained the right to vote with the 19th amendment opening up an array of opportunities for them.
C because it’s the only one that makes any sense
D.
As the ashes of the Alamo continued to smolder, Sam Houston feared another disaster could befall his Texas Army. Mexican forces under General Antonio Lopez de Santa Anna continued to sweep across Texas toward Fort Defiance, the presidio in Goliad that had been seized by the rebels in October 1835 at the onset of the war for independence. Houston ordered Colonel James W. Fannin to evacuate his 400-man force from Goliad and retreat to Victoria, a town 30 miles to the east behind the natural defense of the Guadalupe River. “The immediate advance of the enemy may be confidently expected,” Houston warned Fannin. “Prompt movements are therefore highly important.”
1. St. Marks
2. The mountains in the west were taller than the mountains in the east.
3. The middle United States has fewer changes in elevation than the western United States.