I think the answer should be C
During his bad period, Ivan the Terrible organized a secret police who killed everyone whom he thought might be a traitor.
Ivan the Terrible came to the throne in 1533. He was named Ivan the Terrible because he ruled by terror. This happened after his wife died. However, he also reformed Russia during his good years.
Because Naomi is doing this, she's using the rationalization defense mechanism. She's using this one because she says to herself she can still study tomorrow considering the exam is a week away from her current time, which means she has a lot of time left.
Best answer for filling in that blank: EQUALITY
Freedom means that individuals have liberty to have their own beliefs, their own lives, without being controlled or dominated by the government or by others in the country who have different beliefs.
Equality means each individual is to have the same rights within the country, so that there is equal justice for all citizens. Every person is to be treated the same way under the laws of the land.
Note that the French Revolution also took up these themes of liberty and equality, to which they added also "fraternity" (brotherhood) as a third ideal for the government and nation they wished to form.