In each of the following sentences there are two blank spaces. Below each sentence five pairs of words are given. Find out which pair of words can be filled up in the blanks in the sentence in the same sequence to make the sentence grammatically and meaningfully correct. A notable feature of colonisation is _____ in the ____ of security by giving the executive unchecked police powers.

Solution
"Suppression" is the appropriate word for the first blank. It means the action of putting an end to something by force, in this context, suggesting the forceful control or elimination of certain aspects during colonization. "Guise" is the suitable word for the second blank. It refers to an external appearance or pretense. In the context of the sentence, it conveys the idea that unchecked police powers are often granted in the name of security but may be used for suppression under the pretense or appearance of maintaining security.