1. 1950 Korean war begins.
2.1954 First nuclear powered submarine launches: USS Nautilus
3. 1958 NASA is formed
4. 1961 JFK becomes president
<span>5. 1963 John F. Kennedy killed in Dallas
Hope this helps! :)</span>
In the American West in the late 19th and early 20th centuries, notably between 1850 and 1910, cattle drives were a significant economic activity. 27 million cattle were transported from Texas to Kansas railheads during this time to be shipped to stockyards in Louisiana and other eastern states. Over the course of the frontier, "cow towns" grew as a result of the extensive distances traveled, the requirement for riders and animals to rest at intervals, and the construction of railheads.
- The horse has evolved into the universally recognized symbol of the American West, where cattle drives are still common, as a result of the widespread portrayal of cattle drives in literature and film.
- Livestock drives served as a compromise between the requirement to keep the animals at a marketable weight and the urge to deliver cattle to market as rapidly as feasible. Cattle could be transported up to 25 miles (40 km) in a single day, but they would lose so much weight that it would be difficult to sell them at the trail's end. Typically, they traveled fewer distances each day and were given time to rest and graze throughout both the day and night. A herd may typically move around 15 miles (24 km) per day and keep a healthy weight. A journey from a home ranch to a railhead could take up to two months at such a speed.
- On a lengthy trip, a single herd of cattle would typically have roughly 3,000 heads (for instance, from the railheads in Texas to Kansas). A team of at least 10 cowboys and three horses were required to herd the cattle. Cowboys watched the cattle 24 hours a day in shifts, herding them in the right way during the day and keeping an eye on them at night to ward off theft and prevent stampedes. The crew also comprised a cook who operated an ox-drawn chuck wagon and a horse wrangler to manage the remuda (spare horses). On a cattle drive, the wrangler was frequently a young or low-status cowboy, while the cook was a particularly well-respected member of the community.
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Answer:
Democrats
Explanation:
The election of 1876 was known as the landmark election and the Democrats gained power after this presidential election. B. Hayes or Samuel J. Tilden won the election or not.
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Answer: Marie Curie studied the radiation of all compounds containing the known radioactive elements, including uranium and thorium, which she later discovered was also radioactive. She also found out that:
- you can exactly measure the strength of the radiation from uranium;
- the intensity of the radiation is proportional to the amount of uranium or thorium in the compound - no matter what compound it is;
- the ability to emit radiation does not depend on the arrangement of the atoms in a molecule; it must be linked to the interior of the atom itself - a revolutionary discovery!
When she realized that some uranium and/or thorium compounds had stronger radiation than uranium, she made the following hypothesis: there must be an unknown element in the compound which had a stronger radiation than uranium or thorium. Her work aroused the interest of her husband, Pierre Curie, who stopped his own research on crystals and joined the "detective work" with his wife. And Marie was proven right
