Answer:
Because of their different languages.
Native Americans most likely built mounds for ceremonial and/or burial purposes. I know this because I am Native American. Good Luck! Hoped this helped.
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A deadlock or a tie in a conflict is considered a stalemate.
Hoped I Helped
Answer:
During the Soviet era, the Russian Soviet Federated Socialist Republic (the R.S.F.S.R.) was subject to a series of Soviet constitutions (1918, 1924, 1936, 1977), under which it nominally was a sovereign socialist state within (after 1936) a federal structure. Until the late 1980s, however, the government was dominated at all levels by the Communist Party.
During the rule of the Tang and Song dynasties, China was a wealthy, prosperous, and advanced country. The trade has been well developed between the East and the West, so there was constant contact between the different civilizations. The cities of China during these two dynasties were considered as cultural centers of an international age, and rightly so. Apart from being very well connected, these cities very beautiful, enormous, very well organized, economically and politically powerful, technologically and culturally advanced, all of which was making them superior in comparison to the other cities, as well as being an example of how a city should be and develop.
