The invention that had the effect of ending the era of the "long drives" of the late 19th century was the barbed wire, used to fence properties; these fences blocked the trails used by the cattle drivers. Also, the railroads and their stations were now closer to the cattle ranches.
"The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain."
"The experience of the First World War greatly changed the relationship between Europeans and colonized peoples because the war showed that Europeans needed colonial troops to fight their wars."
