Meaning: Transient refers to people who are not permanent residents and often move frequently.

Wrong options:

• contrast: 'Contrast' is a noun that refers to the difference between two things, which does not fit as a descriptor for populations.
• subservient: 'Subservient' is an adjective meaning excessively willing to serve or obey others, which does not describe a type of population.
• action: 'Action' is a noun that refers to the process of doing something, which does not fit the context of describing populations.
• immediate: 'Immediate' is an adjective that means occurring or done at once, which does not describe a population type.
• Subsequent: 'Subsequent' is an adjective meaning following in time or order, which does not apply to the description of populations.

Correct answer: immediate

Explanation: The term 'immediate' fits well in the context as it describes a direct and prompt understanding of political expression, contrasting with the more formal and distant engagement mentioned earlier.

Meaning: Immediate means occurring or done at once; it suggests a direct and prompt understanding.

Wrong options:

• contrast: 'Contrast' does not fit as it is a noun referring to the difference between two things, not an adjective describing understanding.
• subservient: 'Subservient' is an adjective that implies a submissive role, which does not relate to understanding in this context.
• transient: 'Transient' describes a type of population, not an understanding, making it irrelevant here.
• action: 'Action' is a noun that refers to the process of doing something, which does not fit as a descriptor for understanding.
• Subsequent: 'Subsequent' means following in time or order, which does not apply to the immediacy of understanding.

Correct answer: action

Explanation: The word 'action' fits perfectly as it refers to the activities undertaken to express political views, aligning with the context of political expression mentioned in the passage.

Meaning: Action refers to the process of doing something, particularly in a political context, such as demonstrating or petitioning.

Wrong options:

• contrast: 'Contrast' is a noun that refers to the difference between two things, which does not fit as it does not describe a type of political expression.
• subservient: 'Subservient' is an adjective that implies a submissive role, which does not relate to the concept of political action.
• transient: 'Transient' describes a type of population, not an action, making it irrelevant here.
• immediate: 'Immediate' is an adjective that describes timing, not an action, thus it does not fit in this context.
• Subsequent: 'Subsequent' means following in time or order, which does not apply to the concept of political action.