Answer:
A.The mountains prevented city-states from interacting.
Explanation:
Because of the mountains, each city was fairly isolated from each other, allowing them to become city-states, or miniature countries. This led to them having constant wars against each other, and only joining forces when there are outside forces trying to invade (as seen by Persians).
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This is where actually the Sino Soviet relations came. Because the Sino SOviet protected and supported the KMT or also known as Kuomintang, they have signed an agreement to establish democratic relations. But because of that the Soviet did something, and that is they renounced the advantages given.
A common Characteristic that describes socialism and communism is that they are economic and political structures which promote equality and seek to eliminate social classes. The two are very similar in some ways, but very different in others.
In a communist society, the working class owns everything, and all the people work for a common goal. There are no wealthy or poor people. In other words, all are equal and the community distributes what it produces based only on need.
In a socialist society, the main focus is equality as in communism. Workers can spend their wages as they choose but the government owns and operates all the means of production.
They are opposite to capitalism but basic healthcare and public education are forms of socialism and communism applied to capitalism.
Unlike the Renaissance or Baroque eras, which included many important composers and trends, the choral music of the classical era was dominated by three composers: Franz Joseph Haydn (1732-1809), Wolfgang Amadeus Mozart (1756-1791), and Ludwig van Beethoven (1770-1827).