Rearrange the following parts of the sentence to form a coherent paragraph about freedom of speech and development. P: Freedom of speech is essential for the all round growth and development of a person as well as a nation as a whole. Q: A nation filled with people full of discontent can never grow in the right direction. R: It can even create discomfort and dissatisfaction that lead to stress. S: Imposing restrictions on what one speaks or hears can hamper the development of a person.

Introduction / Context:
This question requires us to arrange four parts into a paragraph about the importance of freedom of speech for individuals and nations. The sentences mention the essential role of free speech in development, how restrictions hamper development, the personal consequences of such restrictions and the national consequences in terms of discontent. The correct sequence must move from broad principle to specific effects on individuals and then to the effect on the nation as a whole.

Given Data / Assumptions:

• P states the main principle: freedom of speech is essential for the overall growth and development of both a person and the nation.
• S warns that imposing restrictions on what one speaks or hears can hamper personal development.
• R adds that such restrictions can create discomfort and dissatisfaction that lead to stress.
• Q generalises that a nation filled with discontented people can never grow in the right direction.
• We assume the paragraph should introduce the principle, then show how restrictions affect individuals and finally connect individual discontent to national stagnation.

Concept / Approach:
For such argumentative descriptive paragraphs:

• Start with a general statement of the main idea or principle (here, the importance of free speech).
• Move to the negative effect when this principle is violated at the individual level.
• Explain the emotional and psychological outcome for individuals.
• Conclude by extending the implications to the entire nation.

We watch for how "It" in R refers back to the imposition of restrictions mentioned in S.

Step-by-Step Solution:
Step 1: P serves as the topic sentence because it clearly states that freedom of speech is essential for growth and development of both individuals and the nation. Step 2: S logically follows as it explains what happens when that freedom is restricted: development of a person can be hampered by restrictions on speech and hearing. Step 3: R continues this line of thought by describing the emotional consequences, saying that such restrictions can create discomfort and dissatisfaction that lead to stress. The pronoun "It" refers to the act of imposing restrictions. Step 4: Q then generalises the effect to the national level, stating that a nation full of discontented people cannot grow in the right direction. This ties back to both P and the stress described in R. Step 5: Thus, the arrangement PSRQ forms a logical chain from principle to personal harm to national effect.

Verification / Alternative check:
Reading PSRQ as one paragraph, we see a clear argument: freedom of speech is necessary; restricting it hampers development; such restrictions cause stress and dissatisfaction; a nation full of such unhappy people cannot grow properly. PRQS would jump from the principle straight to the national consequence, then back to personal effects, which breaks the progression. RSPQ would start with "It can even create discomfort..." without explaining what "It" refers to, so it cannot be the beginning. SPRQ ignores the need to first state the positive principle before criticising restrictions.

Why Other Options Are Wrong:

• PRQS: Does not maintain a clear order from individual level to national level; it mixes the consequences.
• RSPQ: Opens with a pronoun "It" that lacks a clear antecedent, causing confusion.
• SPRQ: Begins with restrictions without first stating that freedom of speech is valuable, which weakens the argument.

Common Pitfalls:
Many learners overlook the role of the topic sentence and may start with any apparently strong statement. Another pitfall is failing to notice how pronouns like "It" must refer to something already mentioned. In rearrangement questions, always look for the broadest and most independent statement as the opener, and leave the most summarising or outcome oriented sentence for the end.

Final Answer:
The correct order is PSRQ, so the correct option is PSRQ.