Concept:Citizens build the nation by taking part in governance and public affairs.
Explanation:Nation-building requires active and responsible citizenship.
Citizens should participate and contribute to decision making.
This includes voting in elections, joining policy discussions, and supporting good governance.
They should also hold leaders accountable for their actions.
Such participation makes democracy responsive and effective.
Encouraging civil disobedience is not a normal duty of citizens.
Stampeding government policies harms national progress.
Boycotting state services also damages development.
Therefore, the best responsibility is constructive engagement, not obstruction.
Answer:B. participate and contribute to decision making