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Between 1920 and until the early 1940s, the only communist country was the Soviet Union, where the first communist revolution, led by Vladimir Lenin, was successful in 1917.
From the early 1940s onward, communism began to expand rapidly to many areas in the world. For example, after the end of World War II, the Soviet Union expanded communism in Eastern European Countries like Poland, Hungary, and Romania, where it installed puppet governments.
In 1949, another important country became comunist: China. Led by Mao Zedong, the Chinese communists won the civil war against the Chinese nationalists (the Kuomintang, who later fled to Taiwan). In the same year, the Chinese People's Republic was proclaimed.
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If you are talking about biology, this is one example:
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Both the siamese cat and the Himalayan rabbit illustrate how heredity interacts wit the environment. In both cases, temperature of the environment affects the genes of color
The correct answer is absolutely c
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The greatest technological development of this time was irrigation. Originally the Mesopotamia’s’ believed their sole purpose was to serve the gods and provide them with luxuries such as fine clothes and lodging. Their communities consisted of 35 politically equal cites with religious sanctuaries. All cities were known as spiritual and economic. Social hierarchies began to grow, separating the privileged, and the less privileged. The Sumerians and the Akkadians believed in a group of gods that controlled everything including their political institutions. Each major god of the Sumerian pantheon lives in a luxury temple in the part of the city that he/she created, thus bettering each cities character and relationships with its neighbors. Royal palaces also revealed the power of
the elite, being the official home of the ruler and his family. Social hierarches were very important in Sumerian city-states. Ruling groups had access to economic and political resources. The kings/ priests were at the top of the list, then bureaucrats, followed by supervisors and craft workers, and traders. Movement among classes was very rare. Mesopotamia was the first to develop a complex writing system. They were the first record keepers and readers. This gave rise to written narratives. Due to rising populations,there was a lot of competition among these societies that often led to violence. The Chinese culture took a little longer to urbanize, although they eventually got there, they had some troubles in the beginning. Their animals for instance weren’t very domesticated, and deserts made it harder to migrate
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