B.) Caste System is the correct answer
Answer:
The Lewis and Clark expedition, also known as the Corps of Discovery, started its lengthy journey to explore the lands of the Louisiana Purchase in search of a river route across the West to the Pacific Ocean in May 1804. They travelled up the Missouri River all the way to the village of St. Charles. The men received no more supplies or reinforcements after they passed that village. During the summer of 1804, after travelling for more than 600 miles, the Corps of Discovery finally met some Native Americans who helped them and provided them with fresh fruits and vegetables. They also provided them with horses and a guide to lead them across the Rocky Mountains.
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
The monopolies contributed to the economic challenges that farmers faced in the United States in the late 19th century by <span>independent farmers were forced to sell their farms when they could not compete with the output of large, commercial farms.</span>
The main reason why Afghanis may have been willing to accept Taliban rule by 1998 is because usually in periods of crisis people turn to strong and sometimes violent leaders to lead them out.