Answer:
Option: sophisticated courtly life
Explanation:
Mongols recognised as Nomadic from the eastern plain lands in Asia that created an empire under Genghis Khan. He was able to establish an empire by joining the clans of the steppe under his power. The Mongols ruled most of Eastern Europe, Russia, Asia and the Middle East. The Mongols extended their empire using quick and crucial attacks with equipped and disciplined troops. Mongol was known as the best horseback fighter in their time. They cleared out the inhabitants of entire towns and seizing the crops and cattle from others.
The law that the properties of the elements are periodic functions of their atomic numbers
The war in the eastern and western front was the same in the sense that both fronts used similar or even the same tactics as at the time of the war, this was the only way how war was being done. On both fronts, there were immense artilery shellings going on together with huge loss of life. However, in the eastern front, one has to add the horrible conditions - extreme cold, rain, winter, etc. to this.
The Indian Appropiation Act contained several acts enacted by the US Congress between the late 19th century and the early 20th century.
One of the most outstanding acts was the Indian Appropriations Act from 1871. According to it, Indians would not be treated anymore as an "independent nation, tribe, or power". In turn, Indians would be considered as "wards" of the federal goverment. This provision considers Indians somehow like children, as if they needed a tutor.
From this moment onwards, the US goverment did not have to mantain endless negotiations to sign treaties with the different Indian tribes. Also treaties that had been signed before the Act were not enforceable anymore.
The act made much easier for the US government to exercise control over lands which were previously dominated by the Indians.
