ANSWER:
A. Democracy
Explanation:
A democracy would have the most amount of citizen participation because in this type of government members of society have equal access to political power through voting and elections
I hope I was helpful :)
A population is essentially just a collection of all living things in one category. People are one population, insects are another, etc. Communities are "more organized" populations. Soccer players hang out with soccer players, spiders hang out with spiders. We split into "our people" within our population.
I know that may be a little confusing, but if you have anymore questions feel free to ask. I hope I was able to help. Best of luck!