A soviet astronaut is called a cosmonaut coming from ancient Greek word "cosmos" where it meant "the order of the universe".
Social problems are the difficulties faced by all the people of a society. For example- poor education, poor sanitation, water shortage, lack of health facilities, etc. Whereas social evils are violations and they affect just a section of society. Social evils are opposed by the person suffering and his supporters.
Countries with autocracy-based governments have a single ruler who may be a monarch or dictator. The correct option among all the options that are given in the question is the third option or the penultimate option or option "C". I hope that this is the answer that has actually come to your great help.
But over time they moved to another place and found new shelter, that is how they grew their population.
