Essentially in this quote, Boris Yelstin was stating that when the situation is critical, and in all times- people should have the freedom to think their own thoughts. Part of thinking your own thoughts is religion because your own thoughts are what you believe in- and that's your religion.
Therefore, your answer is B, freedom of belief- because he's talking about people should be able to have their own thoughts, and a thought can be a belief.
There was a great desire for freedom in Soviet Russia and in other countries that the Soviet Union controlled. The Communist Party was the only political party that was allowed to exist. For much of the Soviet Union's history, people were punished or killed if they openly disagreed with the government. This was one of the factors that made Russians desire a new government system.
The benefits of a contract are: when ever you come across a problem with your car or find out that what you agreed on with your dealership is not there, you can go back to your contract and state out what you agreed on and it provide you with done sort of security or right