Which source is more likely Not to be cited in a formal academic literature review?

common knowledge does not need to be cited .common knowledge includes facts that are known by a lot of people and can be found in many sources . for ex you do not need to cite "Abraham Lincoln was the 16th president of the US'

the answer is b: a lockout

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.