The correct options are
B Monarchy
C Autocracy
Option A - 'Anarchy' means a system where there is no organisation or control, especially in a society because there is no effective government. Thus option A is incorrect.
Option D - 'Democracy' means the belief in freedom and equality between people, or a system of government based on this belief, in which the power is either held by the elected representatives or directly by the people themselves. Thus option D is incorrect.
Option B - 'Monarchy' is a country that has one king. Thus option B is the correct answer.
Option C - 'Autocracy' is a government run by a single person. Thus option C is the correct answer.
'Government by one man - Monarchy and Autocracy'