The battle of Marathon, Plataea, and Thermopylae
North and South Korea have grown apart as a result of their vastly differing ideologies. North Korea is a communist country with very strict restrictions on the movement of its citizens. The North Korean regime is well-known for its cruelty. South Korea, on the other hand, is a democratic country with an open-market economy. In a nutshell, both North and South Korea have radically different political and economic systems. They have been two nations for over sixty years.
Answer: B) Americans trying to settle on the west coast.
The Oregon Trail was a 2,170-mile long wagon route and emigrant trail that connected the areas around the Missouri River to the valleys in Oregon. It spanned part of modern-day Kansas, most of Nebraska and Wyoming and most of Idaho and Oregon.
It was used heavily during the second half of the 19th century by settlers, ranchers, miners and farmers. The use of the trail declined with the construction of the first transcontinental railroad, completed in 1869.
poverty...............................