Check out Code of Federal Regulations/49/chapter 1/Part 172.
The ship broke it two as far as i know sorry that people like to be rude.
Answer:
D: voting in a Presidential election.
Explanation:
Registering with the selective service is an obligation, and while volunteering at a community food bank and being involved in issues on college campus is great, voting in a presidential election is a responsibility of citizens in a democracy, as by participating in a democracy you strengthen it. Democracies are systems of governments where the officials are elected by the people.
Definition: Traditionally, the term "international conflict" referred to conflicts between different nation-states and conflicts between people and organizations in different nation-states.