Concept:Popular political participation means the active involvement of the broad majority of citizens in every aspect of political life, not merely voting or the activities of a few.
Explanation:Options A and B only focus on voting or having many people in politics, which is too narrow.
Option C includes public debate but limits participation to more than half of the citizens.
Option D describes the total activities of the majority with enthusiasm across all aspects of their political sphere.
This makes D the most complete definition because political participation involves a wide range of conscious and deliberate activities by the people.
Answer:D. The sum total of all activities exerted by the majority with enthusiasm actively involving in all aspects of their political sphere.