Why did the united states oppose the soviet union? HELP ASAP

United States government was initially hostile to the Soviet leaders for taking Russia out of World War I and was opposed to a state ideologically based on communism. However, the Soviet stance on human rights and its invasion of Afghanistan in 1979 created new tensions between the two countries.

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the answer is b. hope this !

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.