Meaning: 'Sovereignty' refers to the full right and power of a governing body to govern itself without any interference from outside sources or bodies.

Wrong options:

• hospitality: 'Hospitality' refers to the friendly and generous reception of guests, which does not relate to national responsibility or governance.
• punctuality: 'Punctuality' means being on time, which is unrelated to the concept of national development or responsibility.
• curiosity: 'Curiosity' denotes a desire to learn or know about something, which does not fit the context of national governance or development.

Correct answer: over-emphasized

Explanation: The phrase 'over-emphasized' is grammatically correct as it indicates that the role of national policies should not be excessively highlighted. This aligns with the context of the sentence, which discusses the importance of national policies in development.

Meaning: 'Over-emphasized' means to give too much importance to something, suggesting that while national policies are crucial, they should not be exaggerated in their significance.

Wrong options:

• employed: 'Employed' means to make use of something, which does not fit the context of discussing the importance of national policies.
• enquired: 'Enquired' means to ask about something, which is irrelevant in the context of emphasizing the role of national policies.
• explored: 'Explored' means to investigate or examine, which does not convey the idea of importance or emphasis needed in this context.

Correct answer: implementation

Explanation: The word 'implementation' is the correct noun form that refers to the process of putting a decision or plan into effect. It fits grammatically and contextually, as the sentence discusses the adoption of strategies.

Meaning: 'Implementation' refers to the act of executing or carrying out a plan or strategy.

Wrong options:

• policy: 'Policy' refers to a course of action adopted by an organization or individual, but it does not convey the action of putting strategies into practice.
• implication: 'Implication' refers to a conclusion that can be drawn from something, which does not fit the context of executing strategies.
• implant: 'Implant' means to insert or fix something firmly, which is not relevant to the context of adopting and starting strategies.

Correct answer: corollary

Explanation: The term 'corollary' is a noun that denotes a proposition that follows from one already proven. It fits well in the context, indicating that the principle of national responsibility leads to the necessity of freedom in determining development strategies.

Meaning: 'Corollary' refers to a result or consequence that naturally follows from something else.

Wrong options:

• reason: 'Reason' refers to a cause or explanation, which does not fit the context of a consequence or result.
• contradiction: 'Contradiction' means a statement that opposes another, which does not align with the idea of a natural consequence.
• collocation: 'Collocation' refers to a combination of words that are commonly used together, which is irrelevant in this context.

Correct answer: attuned

Explanation: The word 'attuned' is the correct choice as it means being in harmony or agreement with something. It fits grammatically and contextually, indicating that development strategies should align with the specific circumstances of each country.

Meaning: 'Attuned' means to be in harmony or to be aware of and responsive to something.

Wrong options:

• adopted: 'Adopted' means to take up or start to use something, which does not convey the idea of being in harmony with circumstances.
• against: 'Against' indicates opposition, which does not fit the context of aligning strategies with country circumstances.
• attended: 'Attended' means to be present at an event, which is irrelevant in the context of development strategies.

Correct answer: balance

Explanation: The word 'balance' is appropriate as it refers to an even distribution or stability between two contrasting elements. It fits grammatically and contextually, indicating the need for developing countries to manage their national priorities alongside international commitments.

Meaning: 'Balance' refers to a state where different elements are equal or in the correct proportions.

Wrong options:

• difference: 'Difference' refers to a point or way in which things are not the same, which does not fit the context of managing priorities.
• surveillance: 'Surveillance' means close observation, which is unrelated to the concept of managing priorities.
• patience: 'Patience' refers to the ability to wait without frustration, which does not relate to the idea of balancing priorities.